Evonik makes tyres from bio-based (rice husk ash), in partnership with Thai rice mills
Evonik, the world's leading specialty chemicals company, has recently entered into strategic cooperation with Porner Group of Austria and Phichit Bio Power Limited of Thailand to supply sustainable precipitation ULTRASIL® silica to the tire industry. The key raw material for this sustainable product, sodium silicate, is made from agricultural waste rice husk ash, and the entire production process uses green energy.