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03-03-2016

Snow Chains with Links Made from Plastic

Abrasion-Resistant Elastollan Fulfills all the Requirements

The French textile and rubber company Joubert Productions, Ambert, is for the first time putting snow chains on the market whose chain links are made entirely from plastic. This has become possible with Elastollan, the thermoplastic polyurethane (TPU) from BASF SE, Ludwigshafen, Germany.

The Elastollan versions are abrasion resistant, flexible at low temperatures, and resistant to loose chippings and road salt (© BASF)

The Elastollan versions are abrasion resistant, flexible at low temperatures, and resistant to loose chippings and road salt (© BASF)

The snow chains made from the two Elastollan grades B90A15 and B60A10WH meet the ÖNORM 5117 standard, which applies across Europe, are suitable for different tire sizes, and easy to fit. 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 colors that chemically adhere to one another in the injection molding 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 molding, the black chain links are overmolded with the red Elastollan in one mold 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.

The Austrian standard ÖNORM 5117 is 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. 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.

Company profile

BASF SE

Carl-Bosch-Str. 38
DE 67056 Ludwigshafen
Tel.: 0621 60-0
Fax: 0621 60-42525

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