Part name:Black rubber customized parts material:silicone lifespan:5years production time:15days sample-made 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.certification:NSF61,KTW,ACS,W270,FDA,ULquality standard: ...