This document specifies requirements and corresponding methods of test for fumed silica in powder form for silicone rubber application. This document is applicable to untreated and surface treated fumed silica.Cross References:ISO 3262-20:2000ISO 18451-1ISO 787-11ISO 787-9ISO 787-18ISO 15528ISO 9277ISO 3262-1ISO 787-2Incorporates the following:Corrigendum, July 2019