News

  1. Products
  2. News
  3. Case studies
  4. Knowledge tank
  5. Our offer
  6. Safety
  7. Our industry
Bitumen for paving applications

21/05/2014 11:24

Leiths chose Nynas Nypol 103

A stretch of the A90 in Scotland now has an innovative thin layer wearing course featuring PMB.

A new Scottish specification for stone mastic asphalt could help with some of the durability issues sometimes experienced in the UK

An alternative specification for stone mastic asphalt has been used on the A90 in Scotland, with tests suggesting that the material will be more durable than thin surfacing produced under the standard UK specification, Clause 942 of the Specification for Highway works.

Leiths offered an alternative, a material that would meet all of the contract requirements Plus also meet TS 2010. “It was decided to proceed with two SMA mixes, a 10mm and a 6mm using local granite aggregates of PSV56, laid to a target thickness of 35mm,” Neil Anderson, technical director of Leiths Group, says. For the polymer modified bitumen Leiths used Nynas Nypol 103, a highly modified elastomeric binder which demonstrates substantial resistance to deformation and cracking.

Read the entire article in World Highways

Further reading

The impact of IMO 2020

The International Maritime Organization (IMO) has announced that it will dramatically lower the global limit on sulfur content for marine fuels from the current 3.5% to 0.5% as of 2020. The aim is to significantly curb pollution produced by the world's ships. Three experts reflect on what this means.

Read more about The impact of IMO 2020

NYTEX® 810 – the trusted choice

A standard process oil that can be trusted to perform well in many different applications, NYTEX® 810 is particularly useful for two important applications – antifoams and insoluble sulfur.

Read more about NYTEX® 810 – the trusted choice

New CEO of Nynas

The Board of Nynas has today decided to appoint Bo Askvik, present CFO, as interim President and CEO of Nynas.

Read more about New CEO of Nynas