Evonik Industries has developed a new, active filler for the tyre industry that significantly improves the traction of winter tyres in snowy and slushy conditions, thereby increasing safety. Ultrasil 4000 GR is the first Low Surface Area (LSA) silica that also offers very good dispersibility. This ...

https://www.tyrepress.com/2021/05/evonik-launches-ultrasil-4000-gr-for-better-grip-on-mud-and-snow/

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