Plastic with cold grip

Plastic with a cold grip

10:40 AM, 18th February 2016
Plastic with a cold grip
The Elastollan versions are abrasion resistant, flexible at low temperatures, and resistant to loose chippings and road salt. They thus ensure that the snow chains have optimum grip on ice and snow.

LUDWIGSHAFEN, GERMANY: French textile and rubber company, Joubert Productions sas said that it is for the first time putting snow chains on the market whose chain links are made entirely from plastic.

This has been possible only by BASF’s Elastollan, the thermoplastic polyurethane (TPU) and its support in optimizing the component geometry and production. The snow chains are made from the two Elastollan grades B90A15 and B60A10WH which meets the ONORM 5117 standard, which has been designed for metallic chain links which cover the full tread of tires and must be in contact with the road surface whatever position the wheel is in.

The Elastollan versions are abrasion resistant, flexible at low temperatures, and resistant to loose chippings and road salt. They thus ensure that the snow chains have optimum grip on ice and snow.

For this new plastic application, Elastollan offers an excellent combination of lightweight construction and serial production: the conventional metal chain mesh is replaced by two Elastollan grades of different colours that chemically adhere to one another in the injection-moulding process, and so do not have to be additionally assembled.

The black Elastollan B90A15 with a harder setting displays very good mechanical properties along with great flexibility at low temperatures; the red Elastollan B60A10WH is more flexible and easy flowing.

In compact injection moulding, the black chain links are over moulded with the red Elastollan in one mould where they join chemically. As TPU adheres to TPU very well, there is no need for another assembly step as is necessary with metal meshes.

Due to the outstanding road grip of BASF’s TPU, the snow chains enable car drivers to enjoy the best possible control over their vehicles on snow-covered roads. As the Elastollan links are much lighter than the conventional metal mesh, the snow chains are easy to handle and quick to remove.

“Tailor-made quality products are the most important part of our business. BASF not only supported our idea of producing lightweight, easy-to-fit snow chains by providing the right material. What is crucial for us is that BASF has been with us right from the initial idea via finding the appropriate mould through to the finished product, thus enabling us to set up with an optimum production process,” said Regis Kaelin, who is responsible for R&D at Joubert.Easy-to-fit snow chains made from Elastollan (TPU) are abrasion-resistant, low temperature flexible.

© Worldofchemicals News

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