... parts with high quality approvedNSF61,WRAS,KTW,W270,FDA,ACS,ULColor:blackMaterial:siliconeperformance:good high/low temperature,aging resistance, ... good electrical properties,color stability.certification:NSF61,KTW,ACS,W270,FDA,ULquality standard:ISO9001:2008,ISO/TS 16949 ... with high quality approved NSF61,WRAS,KTW,W270,FDA,ACS,UL Verified Information This information is Verified by Bureau ...