... nameSilicone o ring food grade MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT,GLT,AFLAS,HNBR... ColorRed ... .Operating Temperature: -20°C~+200°C.4.Application: Mainly used for vacuum resistance, high temperature resistance, chemical corrosion resistance of sealing materials ... About US Shenzhen TEC Rubber Co.Ltd.is a company with advanced management,professional quipments and technical capabilities ...