When excellent low temperature properties are required Nynas range of refrigeration oils display very low pour points, good cold flowing as well as high thermal and oxidation stability. Nynas refrigeration oils are compatible with ammonia, isobutene and other hydrocarbon refrigerants. Characteristics, unit Test method ASTM Nyfrost 32 Nyfrost 46 Nyfrost 68 Nyfrost 100 Density 15ºC (60ºF), kg/dm3 D 4052 0.894 0.902 0.907 0.907 Viscosity 40ºC, mm2/s (cSt) D 445 30 46 68 103 Viscosity 100ºC, mm2/s (cSt) D 445 4.3 5.4 6.8 8.9 Flash point PM, ºC D 93 180 188 196 209 Pour point, ºC D 97 -45 -39 -36 -33 Floc point, ºC - R 12 DIN 51351 -39 -32 -28 -17 Copper strip 100ºC, 3hrs D 130 1 1 1 1 Sulphur, Wt% D 2622 <0.01 <0.01 <0.01 <0.01 Colour D 1500 <0.5 <0.5 0.5 <1.0 Total acid number, mg KOH/g D 970 <0.01 <0.01 <0.01 <0.01 Hydrocarbon Type Analysis IR method CA, % 10 10 10 10 CN, % 48 47 46 46 CP, % 42 43 44 44 Breakdown voltage, kV IEC 156 >40 >40 >40 >40 For over 40 years, Nynas has provided naphthenic oils for greases, industrial lubricants and metalworking fluids. Thanks to their high solvating power, emulsion stability and low viscosity index, choosy formulators consistently select our products for a wide range of applications. To ensure you get precisely the grade you need, we employ advanced hydrotreatment techniques. And to make sure you get it when you need it, we have a logistics network that spans the globe. So, if you promise the same quality to your customers no matter where they are, pick a partner who can deliver on the same promise to you.