Complex interaction between rubber and lubricants

Rubber and lubricants need to come into contact with each other in many applications. But there are often problems with what is known as rubber "ageing": a deterioration of the properties of the rubber due to interactions between the rubber and the grease or base oils involved.

Rubber and lubricants need to come into contact with each other in many applications. But there are often problems with what is known as rubber "ageing": a deterioration of the properties of the rubber due to interactions between the rubber and the grease/base oils involved.

This is a much studied phenomenon but generally the studies don't look deeply enough into why the two components are incompatible. A new study undertaken by Nynas investigated the possibility of measuring shrinking and swelling of the rubber, due to migration of the oil between the one and the other, as a relatively simple test for compatibility between rubber and lubricant. The study focused on alterations in the mechanical and low-temperature properties of rubber during its contact with a number of greases and their base oils. However, in the process we made an interesting and important discovery: it's not just the oil, but also other ingredients that migrate. These influence various mechanical properties and hence the discovery has important implications when trying to optimize rubber/grease interactions.

Somebody might make a great formulation for grease. Then somebody else might make a great formulation for rubber. However, when that great grease comes into contact with that great rubber, far too often the rubber is destroyed in no time. Many studies have dealt with that issue, but we have found that they haven't gone far enough in understanding the underlying causes of grease/rubber incompatibility.

The interaction we are talking about is usually referred to as rubber "ageing". Ageing means deterioration of the properties the rubber needs to serve its purpose. In order to study this process many parameters need to be considered, such as the solvency properties of the polymer, the plasticizers used in the rubber, and the properties of the base oil. It would be relatively simple if you only had to conduct one or two tests to determine the effects of ageing on the different samples. In theory, measuring swelling and shrinkage of the rubber should be enough. Assuming that what happens is that the base oil migrates between the rubber and grease, good compatibility should be shown by little or no shrinking or swelling. But life isn't always that simple…

Description of tests

A series of tests was carried out to compare the compatibility of base oils and greases with rubber during ageing. For this purpose four different base oils were used, all having a viscosity of 150 mm2/s at 40°C. Three naphthenic oils of varying solvency and one paraffinic oil were compared.

The reason for using both the grease and the base oils was to determine whether it is necessary to use grease in rubber compatibility tests or if it suffices to conduct the tests with the oil alone in order to obtain conclusive results.

To test the interactions the rubber samples were totally immersed in the base oils and greases. Ageing was performed at three different temperatures, 80°C, 100°C and 120°C, and the test duration was one week. Changes in hardness and weight of each of the rubber samples were measured over the period of the study.

Hardness measurements were carried out using the IRHD method and the results recorded using the IRHD scale which runs from 0 to 100, where 0 corresponds to extremely soft rubber. Common rubber types have IRHD values of 30 to 85 degrees.

Tensile strength and elongation were also measured. Tensile strength is the force required to stretch the rubber to rupture divided by the cross-sectional area of the test piece. The results are expressed in MPa. Elongation is the measure of the rubber's ability to stretch without breaking, measured as per cent of the original length.

For the rubber samples that were aged in base oils at 100°C, measurements of the glass transition temperature, Tg, were also made. All polymers will eventually stiffen to a rigid (and fragile) amorphous glass state when the temperature is decreased to a level known as the polymer glass transition temperature. For rubber, this temperature indicates the low temperature service limit.

Results

The results showed that, under identical conditions, chloroprene rubber (CR) swelled more than nitrile-butadiene rubber (NBR) rubber (Figures 1 and 2). In fact, the NBR rubber demonstrated shrinkage in most cases. Oils with higher solvent power, e.g. naphthenic oils with high aromatic content, bring about more swelling for the CR rubber, but less shrinkage for the NBR rubber, than do oils with lower solvent power, e.g. low-aromatic paraffinic oils. Thus, the paraffinic oil caused minimum swelling in the case of CR rubber, but maximum shrinkage in the case of NBR rubber.

This is quite logical when considering the likeness of the solvency properties of the oils and the rubbers. In general, the closer the solvency of the oil to that of rubber, the higher the amount of oil that can be entrapped by rubber. If solvency is expressed through Hildebrand solubility parameter values, chloroprene rubber and naphthenic oils are found to be suited much closer to each other than the nitrile-butadiene rubber and naphthenic oils, and the solvency mismatch further increases on changing from naphthenic to paraffinic oils.

Looking at the hardness and tensile strength measurements, the following trend becomes obvious: swelling is always associated with certain losses in hardness and in tensile strength (Figures 3 and 4).

Furthermore, our experiments have shown that a prolonged contact with greases and base oils also significantly affects the glass transition temperature (Tg) of rubber. From the user perspective, Tg of rubber is an important parameter that determines the lowest temperature below which rubber cannot be used as it loses its elasticity. The presence of plasticizer is known to depress the glass transition temperature Tg (the same way as the presence of a solute would normally depress the freezing point of solutions). Therefore, an increase in Tg of rubbers aged in the base oil and greases indicates redistribution of plasticizer between the rubber and the oil phases: oil migrates into the rubber and the plasticizers originally present in the rubber migrate out.

So how can this be prevented? One suggested way to deal with it was to level out the concentration differences by adding the corresponding rubber plasticizers, such as dioctyladipate, to the grease formulations. Other alternatives were to use a more polar plasticizer, such as alkylated aryl phosphate, or partial replacement of dioctyladipate by naphthenic oil in rubber formulations. These possibilities were checked out but none proved totally successful. Substituting a part of the polar plasticizer (DOA) in rubber with a naphthenic oil gives a small increase in the glass transition temperature (Tg) initially but has little effect on the outcome of rubber ageing tests; and rubbers plasticized with naphthenic oils and with esters degrade similarly. Conversely, adding DOA to base oil or grease formulations has been shown to enhance the low-temperature properties of rubber (by depressing Tg) but has an adverse effect on the mechanical properties such as hardness, strength and seal compatibility index. The corresponding experimental data can be seen in the Figures 5–8.

The results of the tests suggest conclusively that the interactions between grease and rubber are largely determined by the properties of the base oil used in the grease formulation. Good rubber compatibility of base oils guarantees good rubber compatibility of greases produced thereof.

Conclusions

Our results show that, when trying to optimize the interactions between rubber and the base oil/grease, there is no simple answer, and the rubber type, the plasticizer, and the base oil/grease composition are all variables that need to be considered. The migration of plasticizers is an important finding and it should always be taken into consideration.

In the majority of tests, the well refined naphthenic oils and greases produced thereof demonstrated good rubber compatibility, comparable to or even exceeding that of other analogous products availble on the market.



Table 1

Glass transition temperature, Tg, of NBR aged in the base oils for 7 days at 100°C  
Base oil Tg °C(°F)
Reference -44(-47)
P-ic CA 7% -28(-18)
N-ic CA 6% -28(-18)
N-ic CA 10% -25(-13)
N-ic CA 16% -27(-17)

 

Table 2

Glass transition temperature, Tg, of NBR aged in the base oils for 7 days at 100°C  
Base oil Tg °C(°F)
Reference -53(-63)
P-ic CA 7% -39(-38)
N-ic CA 6% -37(-35)
N-ic CA 10% -38(-36)
N-ic CA 16% -38(-36)

Author

Boris V. Zhmud

BASE OILSTECHNICAL ARTICLE

Case story

Bright future for black grease


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Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

View all contacts

Krauter, Blair

Sales Manager

Phone: +1-905-8048540

Mobile: +1-416-3127884

Mail: blair.krauter@nynas.com

Fenandoe, Venetia

Customer Service Executive

Phone: +1-905-8048540

Mobile: +1-416-9389162

Mail: venetia.fenandoe@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

china.orders@nynas.com View all contacts

Li, Leon

General Manager / Sales Manager

Phone: +86-21-58203762

Mobile: +86-13-917862388

Mail: leon.li@nynas.com

Wu, Roland

Sales Executive

Phone: +86-20-22220130

Mobile: +86-13-922759918

Mail: roland.wu@nynas.com

Liu, David

Sales Executive

Phone: +86-21-58203762

Mobile: +86-13-917253025

Mail: david.liu@nynas.com

Lan, Allen

Sales Executive

Phone: +86-21-58203762

Mobile: +86-13-636488480

Mail: allen.lan@nynas.com

Li, Elvis

Sales Executive

Phone: +86-21-58203762

Mobile: +86-13-601665416

Mail: elvis.li@nynas.com

Feng, Lenita

Customer Service Coordinator

Phone: +86-21-58203762

Mobile: +86-138-17510959

Mail: lenita.feng@nynas.com

Cheng, May

Customer Service Coordinator

Phone: +86-21-58203762

Mobile: +86-152-21160617

Mail: may.cheng@nynas.com

Cao, Vicky

Customer Service Coordinator

Phone: +86-21-58203762

Mobile: +86-137-64249731

Mail: vicky.cao@nynas.com

Max Yan

Sales Executive

Phone: +86-21-58203762

Mobile: +86-135-85799972

Mail: max.yan@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

austria.orders@nynas.com View all contacts

Cichocki, Klaus

General Manager / Sales Manager

Phone: +43-316-73460030

Mobile: +43-6643813445

Mail: klaus.cichocki@nynas.com

Treiber, Elisabeth

Customer Service Executive

Phone: +43-316-73460040

Mobile: +43-664-2046516

Mail: elisabeth.treiber@nynas.com

Nan, Ovidiu

Sales Executive

Mobile: +40-72-2286694

Mail: ovidiu.nan@nynas.com

Stuhlbacher, Eva

Customer Service Executive

Phone: +43-316-73460010

Mobile: +43-664-88469072

Mail: eva.stuhlbacher@nynas.com

Thomas Feischl

Sales Executive

Phone: +43-316-73460060

Mobile: +43-664-88690530

Mail: thomas.feischl@nynas.com

Schober, Silke

Customer Service Coordinator

Mobile: +43-664-85 19 860

Mail: silke.shober@nynas.com

mexico.orders@nynas.com View all contacts

Ortiz, Roberto

General Manager / Sales Manager

Phone: +52-55-55363088

Mobile: +52-55-54141942

Mail: roberto.ortiz@nynas.com

Macias, Rodrigo

Sales Executive

Phone: +52-55-55363088

Mobile: +52-55-39556611

Mail: rodrigo.macias@nynas.com

Castro, Martha

Customer Service Coordinator

Phone: +52-55-55363088

Mobile: +52 55-54389448

Mail: martha.castro@nynas.com

Arciniega, Alicia

Customer Service Coordinator

Phone: +52-55-55362847

Mobile: +52-55-54140712

Mail: alicia.arciniega@nynas.com

austria.orders@nynas.com View all contacts

Cichocki, Klaus

General Manager / Sales Manager

Phone: +43-316-73460030

Mobile: +43-6643813445

Mail: klaus.cichocki@nynas.com

Treiber, Elisabeth

Customer Service Executive

Phone: +43-316-73460040

Mobile: +43-664-2046516

Mail: elisabeth.treiber@nynas.com

Nan, Ovidiu

Sales Executive

Mobile: +40-72-2286694

Mail: ovidiu.nan@nynas.com

Stuhlbacher, Eva

Customer Service Executive

Phone: +43-316-73460010

Mobile: +43-664-88469072

Mail: eva.stuhlbacher@nynas.com

Thomas Feischl

Sales Executive

Phone: +43-316-73460060

Mobile: +43-664-88690530

Mail: thomas.feischl@nynas.com

Schober, Silke

Customer Service Coordinator

Mobile: +43-664-85 19 860

Mail: silke.shober@nynas.com

austria.orders@nynas.com View all contacts

Cichocki, Klaus

General Manager / Sales Manager

Phone: +43-316-73460030

Mobile: +43-6643813445

Mail: klaus.cichocki@nynas.com

Treiber, Elisabeth

Customer Service Executive

Phone: +43-316-73460040

Mobile: +43-664-2046516

Mail: elisabeth.treiber@nynas.com

Nan, Ovidiu

Sales Executive

Mobile: +40-72-2286694

Mail: ovidiu.nan@nynas.com

Stuhlbacher, Eva

Customer Service Executive

Phone: +43-316-73460010

Mobile: +43-664-88469072

Mail: eva.stuhlbacher@nynas.com

Thomas Feischl

Sales Executive

Phone: +43-316-73460060

Mobile: +43-664-88690530

Mail: thomas.feischl@nynas.com

Schober, Silke

Customer Service Coordinator

Mobile: +43-664-85 19 860

Mail: silke.shober@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nordic.order@nynas.com View all contacts

Marits, Henrik

Sales Manager

Phone: +46-8-6021314

Mobile: +46-70-3621314

Mail: henrik.marits@nynas.com

Aguilera, Ivan

Sales Executive

Phone: +46-8-6021334

Mobile: +46-70-6020071

Mail: ivan.aguilera@nynas.com

Prevorsek, Margareta

Customer Service Executive

Phone: +46-8-6021310

Mobile: +46-70-3148364

Mail: margareta.prevorsek@nynas.com

View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

sales.admin.brisbane@nynas.com View all contacts

Reboul, Philippe

General Manager / Sales Manager (Also serving the Pacific Islands)

Phone: +61-7-33906155

Mobile: +61-431-258605

Mail: philippe.reboul@nynas.com

Lewis, Candice

Sales Representative

Phone: +61-7-33906155

Mobile:  +61-404-233440

Mail: candice.lewis@nynas.com

Duncan, Amanda

Customer Service Coordinator

Phone: +61-7-33906155

Mobile: +61-438-181676

Mail: amanda.duncan@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Sadasivam, Karuna

Sales Manager

Phone: +971-4-3327125

Mobile: +971-50-5535786

Mail: karuna.sadasivam@nynas.com

Kadli, Sameen

Customer Service Executive

Phone: +971-4-3327125

Mobile: +971-50-5517688

Mail: sameen.kadli@nynas.com

Libish Kumar, Sibala

Customer Service Executive

Phone: +971-4-3327125

Mobile: +971-56-1148325

Mail: sibala.libishkumar@nynas.com

Bester, Paul

Sales Manager

Phone: +971-4-3327125

Mobile: +971-50-4509348

Mail: paul.bester@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

ngb.orders@nynas.com View all contacts

Renaudeau, Rafael

General Manager / Sales Manager

Phone: +44 1483 506953

Mobile: +44 7554 889717

Mail: rafael.renaudeau@nynas.com

Riding, Abigail

Sales Executive

Phone: +44-1483-506953

Mobile: +44-78-87510555

Mail: abigail.riding@nynas.com

Garcia, Jorge

Customer Service Executive

Phone: +44-1483-506953

Mobile: +44-78-81911625

Mail: jorge.garcia@nynas.com

Le Roy, Yannick

Customer Service Coordinator

Phone: +44-1483-506953

Mobile: +44-7881-958218

Mail: yannick.leroy@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nordic.order@nynas.com View all contacts

Marits, Henrik

Sales Manager

Phone: +46-8-6021314

Mobile: +46-70-3621314

Mail: henrik.marits@nynas.com

Aguilera, Ivan

Sales Executive

Phone: +46-8-6021334

Mobile: +46-70-6020071

Mail: ivan.aguilera@nynas.com

Prevorsek, Margareta

Customer Service Executive

Phone: +46-8-6021310

Mobile: +46-70-3148364

Mail: margareta.prevorsek@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

sales.admin.brisbane@nynas.com View all contacts

Reboul, Philippe

General Manager / Sales Manager (Also serving the Pacific Islands)

Phone: +61-7-33906155

Mobile: +61-431-258605

Mail: philippe.reboul@nynas.com

Lewis, Candice

Sales Representative

Phone: +61-7-33906155

Mobile:  +61-404-233440

Mail: candice.lewis@nynas.com

Duncan, Amanda

Customer Service Coordinator

Phone: +61-7-33906155

Mobile: +61-438-181676

Mail: amanda.duncan@nynas.com

nordic.order@nynas.com View all contacts

Marits, Henrik

Sales Manager

Phone: +46-8-6021314

Mobile: +46-70-3621314

Mail: henrik.marits@nynas.com

Aguilera, Ivan

Sales Executive

Phone: +46-8-6021334

Mobile: +46-70-6020071

Mail: ivan.aguilera@nynas.com

Prevorsek, Margareta

Customer Service Executive

Phone: +46-8-6021310

Mobile: +46-70-3148364

Mail: margareta.prevorsek@nynas.com

french.orders@nynas.com View all contacts

Jacquet, Bruno

Sales Manager

Phone: +33-1-53349903

Mobile: +33-6-85751000

Mail: bruno.jacquet@nynas.com

de Quatrebarbes, Ghislain

Sales Executive

Phone: +33-1-53349901

Mobile: +33-6-89362229

Mail: ghislain.dequatrebarbes@nynas.com

Ly, Stéphanie

Customer Service Executive

Phone: +33-1-53349905

Mobile: +33-6-82162603

Mail: stephanie.ly@nynas.com

Gourine, Meriam

Sales Representative

Phone: +33-1-53349910

Mobile: +33-6-45840441

Mail: meriam.gourine@nynas.com

Le Garrec, Christine

Customer Service Coordinator

Phone: +33-1-53349907

Mail: christine.legarrec@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

yuki@nynas.com View all contacts

Kislitskiy, Yuriy

General Manager / Sales Manager

Phone: +380-44-4901261

Mobile: +380-50-3314938

Mail: yuriy.kislitskiy@nynas.com

german.orders@nynas.com View all contacts

Dr. Nösler, Ingo

General Manager/Sales Manager

Phone: +49-2173-5969420

Mobile: +49-174-9917119

Mail: ingo.nosler@nynas.com

Laabs, Jan-Peter

Sales Executive

Phone: +49-2173-5969470

Mobile: +49-173-8697413

Mail: jan-peter.laabs@nynas.com

Wolff, Thorsten

Sales Executive

Phone: +49-2173-596940

Mobile: +49-173-8697492

Mail: thorsten.wolff@nynas.com

Lülsdorf, Nina

Sales Executive

Phone: +49-2173-5969440

Mobile: +49-172-7068500

Mail: nina.lulsdorf@nynas.com

Weber, Saskia

Customer Service Executive

Phone: +49-2173-5969450

Mobile: +49-173-8697529

Mail: saskia.weber@nynas.com

Kriegel, Daniel

Customer Service Coordinator

Phone: +49-2173-5969430

Mobile: +49-174-3051723

Mail: daniel.kriegel@nynas.com

Pechtel, Jessica

Customer Service Coordinator

Phone: +49-2173-5969410

Mobile: +49-174-9209912

Mail: jessica.pechtel@nynas.com

Campmann, Elena

Customer Service Coordinator

Phone: +49-2173-5969490

Mobile: +49-174-3470482

Mail: Elena.Campmann@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

austria.orders@nynas.com View all contacts

Cichocki, Klaus

General Manager / Sales Manager

Phone: +43-316-73460030

Mobile: +43-6643813445

Mail: klaus.cichocki@nynas.com

Treiber, Elisabeth

Customer Service Executive

Phone: +43-316-73460040

Mobile: +43-664-2046516

Mail: elisabeth.treiber@nynas.com

Nan, Ovidiu

Sales Executive

Mobile: +40-72-2286694

Mail: ovidiu.nan@nynas.com

Stuhlbacher, Eva

Customer Service Executive

Phone: +43-316-73460010

Mobile: +43-664-88469072

Mail: eva.stuhlbacher@nynas.com

Thomas Feischl

Sales Executive

Phone: +43-316-73460060

Mobile: +43-664-88690530

Mail: thomas.feischl@nynas.com

Schober, Silke

Customer Service Coordinator

Mobile: +43-664-85 19 860

Mail: silke.shober@nynas.com

nordic.order@nynas.com View all contacts

Marits, Henrik

Sales Manager

Phone: +46-8-6021314

Mobile: +46-70-3621314

Mail: henrik.marits@nynas.com

Aguilera, Ivan

Sales Executive

Phone: +46-8-6021334

Mobile: +46-70-6020071

Mail: ivan.aguilera@nynas.com

Prevorsek, Margareta

Customer Service Executive

Phone: +46-8-6021310

Mobile: +46-70-3148364

Mail: margareta.prevorsek@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nynas.southafrica@nynas.com View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Moodley, Samantha

Customer Service Executive

Phone: +27-10-5901052

Mobile: +27-82-5571589

Mail: samantha.moodley@nynas.com

Hill, Melissa

Sales Representative

Phone: +27-10-5901052

Mobile: +27-71-4908788

Mail: melissa.hill@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

nla.orders@nynas.com View all contacts

Tocelis, Marcela

Sales Manager / Acting General Manager

Phone: +54-11-47770001

Mobile: +54-911-63817636

Mail: marcela.tocelis@nynas.com

Morales, Maria Laura

Sales Manager

Phone: +54-11-47770001

Mobile: +54-911-5037554

Mail: maria.laura.morales@nynas.com

Federuzzi, Andrés

Sales Executive

Phone: +54-11-47770001

Mobile: +54-911-31960832

Mail: andres.federuzzi@nynas.com

Vergara, Martin

Customer Service Executive

Phone: +54-11-47770001

Mobile: +54-911-36974540

Mail: martin.vergara@nynas.com

Pace, Juan Pablo

Customer Service Coordinator

Phone: +54-11-47770001

Mobile: +54-911-63557187

Mail: juanpablo.pace@nynas.com

Zuluaga, Lina Maria

Sales Executive

Mobile: +57-301-7220254

Mail: linamaria.zuluagacano@nynas.com

View all contacts

Wong, Jason

General Manager

Phone: +65-65920163

Mobile: +65-96379757

Mail: jason.wong@nynas.com

Nasution, Rio

Area Sales Manager

Phone: +65-65920168

Mobile: +65 90254151

Mail: rio.nasution@nynas.com

Chua, Marcus

Area Sales Manager

Phone: +65-65920161

Mobile: +65-91881419

Mail: marcus.chua@nynas.com

Tay, Dawn

Customer Service Executive

Phone: +65-65920166

Mobile: +65-96409852

Mail: dawn.tay@nynas.com

Ng, Georgina

Customer Service Executive

Phone: +65-65920165

Mobile: +65-97484496

Mail: georgina.ng@nynas.com

Soh, Rena

Sales Representative

Phone: +65-65920169

Mobile: +65-81260031

Mail: rena.soh@nynas.com

Ong, Shi Hui

Customer Service Coordinator

Phone: +65-65920168

Mobile: +65-92285540

Mail: shihui.ong@nynas.com

austria.orders@nynas.com View all contacts

Cichocki, Klaus

General Manager / Sales Manager

Phone: +43-316-73460030

Mobile: +43-6643813445

Mail: klaus.cichocki@nynas.com

Treiber, Elisabeth

Customer Service Executive

Phone: +43-316-73460040

Mobile: +43-664-2046516

Mail: elisabeth.treiber@nynas.com

Nan, Ovidiu

Sales Executive

Mobile: +40-72-2286694

Mail: ovidiu.nan@nynas.com

Stuhlbacher, Eva

Customer Service Executive

Phone: +43-316-73460010

Mobile: +43-664-88469072

Mail: eva.stuhlbacher@nynas.com

Thomas Feischl

Sales Executive

Phone: +43-316-73460060

Mobile: +43-664-88690530

Mail: thomas.feischl@nynas.com

Schober, Silke

Customer Service Coordinator

Mobile: +43-664-85 19 860

Mail: silke.shober@nynas.com

nordic.order@nynas.com View all contacts

Marits, Henrik

Sales Manager

Phone: +46-8-6021314

Mobile: +46-70-3621314

Mail: henrik.marits@nynas.com

Aguilera, Ivan

Sales Executive

Phone: +46-8-6021334

Mobile: +46-70-6020071

Mail: ivan.aguilera@nynas.com

Prevorsek, Margareta

Customer Service Executive

Phone: +46-8-6021310

Mobile: +46-70-3148364

Mail: margareta.prevorsek@nynas.com

india.orders@nynas.com View all contacts

Lad, Arjun

General Manager / Sales Manager

Phone: +91-22-67933800

Mobile: +91-98-20268084

Mail: arjun.lad@nynas.com

Singh, Manoj

Sales Manager

Phone: +91-98-11873011

Mobile: +91-98-11873011

Mail: manoj.singh@nynas.com

Tiwari, Vikas

Sales Executive

Phone: +91-22-67933800

Mobile: +91-98-90007307

Mail: vikas.tiwari@nynas.com

Sundaram, Seshan

Head of Sales Operations

Phone: +91-22-67933800

Mobile: +91-99-67356383

Mail: seshan.sundaram@nynas.com

Parab, Yogesh

Customer Service Assistant

Phone: +91-22-67933800

Mobile: +91-98-19030107

Mail: yogesh.parab@nynas.com

indonesia.orders@nynas.com View all contacts

Sutarmono

General Manager / Sales Manager

Phone: +62-21-75924730

Mobile: +62-816-929888

Mail: sutarmono.id@nynas.com

Arundhati, Retno

Sales Executive

Phone: +62-21-75924730

Mobile: +62-816-1877738

Mail: retno.arundhati@nynas.com

Tay, Ferdy

Sales Executive

Phone: +62-21-75924730

Mobile: +62-811-1118255

Mail: ferdy.tay@nynas.com

Setyorini, Monica

Customer Service Coordinator

Phone: +62-21-75924730

Mobile: +62-812-8868171

Mail: monica.setyorini@nynas.com

View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Sadasivam, Karuna

Sales Manager

Phone: +971-4-3327125

Mobile: +971-50-5535786

Mail: karuna.sadasivam@nynas.com

Kadli, Sameen

Customer Service Executive

Phone: +971-4-3327125

Mobile: +971-50-5517688

Mail: sameen.kadli@nynas.com

Libish Kumar, Sibala

Customer Service Executive

Phone: +971-4-3327125

Mobile: +971-56-1148325

Mail: sibala.libishkumar@nynas.com

Bester, Paul

Sales Manager

Phone: +971-4-3327125

Mobile: +971-50-4509348

Mail: paul.bester@nynas.com

View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Sadasivam, Karuna

Sales Manager

Phone: +971-4-3327125

Mobile: +971-50-5535786

Mail: karuna.sadasivam@nynas.com

Kadli, Sameen

Customer Service Executive

Phone: +971-4-3327125

Mobile: +971-50-5517688

Mail: sameen.kadli@nynas.com

Libish Kumar, Sibala

Customer Service Executive

Phone: +971-4-3327125

Mobile: +971-56-1148325

Mail: sibala.libishkumar@nynas.com

Bester, Paul

Sales Manager

Phone: +971-4-3327125

Mobile: +971-50-4509348

Mail: paul.bester@nynas.com

ngb.orders@nynas.com View all contacts

Renaudeau, Rafael

General Manager / Sales Manager

Phone: +44 1483 506953

Mobile: +44 7554 889717

Mail: rafael.renaudeau@nynas.com

Riding, Abigail

Sales Executive

Phone: +44-1483-506953

Mobile: +44-78-87510555

Mail: abigail.riding@nynas.com

Garcia, Jorge

Customer Service Executive

Phone: +44-1483-506953

Mobile: +44-78-81911625

Mail: jorge.garcia@nynas.com

Le Roy, Yannick

Customer Service Coordinator

Phone: +44-1483-506953

Mobile: +44-7881-958218

Mail: yannick.leroy@nynas.com

austria.orders@nynas.com View all contacts

Cichocki, Klaus

General Manager / Sales Manager

Phone: +43-316-73460030

Mobile: +43-6643813445

Mail: klaus.cichocki@nynas.com

Treiber, Elisabeth

Customer Service Executive

Phone: +43-316-73460040

Mobile: +43-664-2046516

Mail: elisabeth.treiber@nynas.com

Nan, Ovidiu

Sales Executive

Mobile: +40-72-2286694

Mail: ovidiu.nan@nynas.com

Stuhlbacher, Eva

Customer Service Executive

Phone: +43-316-73460010

Mobile: +43-664-88469072

Mail: eva.stuhlbacher@nynas.com

Thomas Feischl

Sales Executive

Phone: +43-316-73460060

Mobile: +43-664-88690530

Mail: thomas.feischl@nynas.com

Schober, Silke

Customer Service Coordinator

Mobile: +43-664-85 19 860

Mail: silke.shober@nynas.com

View all contacts

Cavigioli, Marco

General Manager / Sales Manager

Phone: +39-02-6070187

Mobile: +39-328-6210971

Mail: marco.cavigioli@nynas.com

Accardo, Maria Pia

Customer Service Executive

Phone: +39-02-6070187

Mobile: +39-335-7188617

Mail: maria.pia.accardo@nynas.com

Bellotti, Ilenia

Customer Service Executive

Phone: +39-02-6070187

Mobile: +39-331-7341909

Mail: ilenia.bellotti@nynas.com

Marco Roncelli

Sales Executive

Phone: +39-02-6070187

Mobile: +39-338-5361987

Mail: marco.roncelli@nynas.com

View all contacts

Sano, Shigeru

General Manager / Sales Manager

Phone: +81-3-35603093

Mobile: +81-80-97108689

Mail: shigeru.sano@nynas.com

View all contacts

Meyer, Alistair

Area General Manager

Phone: +27-10-5901052/ 3 / 4

Mobile: +27-82-4962730

Mail: alistair.meyer@nynas.com

Sadasivam, Karuna

Sales Manager

Phone: +971-4-3327125

Mobile: +971-50-5535786

Mail: karuna.sadasivam@nynas.com

Kadli, Sameen

Customer Service Executive

Phone: +971-4-3327125

Mobile: +971-50-5517688

Mail: sameen.kadli@nynas.com

Libish Kumar, Sibala

Customer Service Executive

Phone: +971-4-3327125

Mobile: +971-56-1148325

Mail: sibala.libishkumar@nynas.com

Bester, Paul

Sales Manager

Phone: +971-4-3327125

Mobile: +971-50-4509348

Mail: paul.bester@nynas.com

yuki@nynas.com View all contacts

Kislitskiy, Yuriy

General Manager / Sales Manager

Pho