... time:5days Part name:Black rubber customized parts with high quality approvedNSF61,WRAS,KTW,W270,FDA,ACS,ULColor:blackMaterial ... :siliconeperformance:good high/low temperature,aging resistance,good electrical properties,color stability ... ROCA,CKD,KOHLER,TUCAI,INTEX,WATTS,ABB,WDI,BLACK&DECKER. Black rubber customized parts with high quality approved NSF61,WRAS, ...