ASTM standard improves silica quality

摘要

ASTM International(www.astm.org),West Conshohocken,PA,announced a new standard that aims to improve the quality of precipitated silica,which is used as a filler ingredient for rubber.ASTM committee d11 on Rubber and Rubber-Like Materials developed the standard(D8300),which provides a test method to determine whether the degree of electrical conductivity is suitable for rubber-grade silica which is used,for example,as a reinforcing filler in modern tires.Cooper Tire & Rubber(www.coopertire.com),Findlay,OH,announced that its Evolution M/T,a mud tire designed for North America,and its Discoverer ATT,an all-terrain tire designed for the Asia market,earned 2019 Good Design Awards from The Chicago Athenaeum Museum of Architecture and Design,in cooperation with the European Center for Architecture,Art,Design and Urban Studies,for their design excellence.