... . Oil proof 3. Heat resistant. 4. Weather proof. Silicone Rubber Gasket: MaterialsSI, NBR, SI, HNBR, ACM, SBR, FPM, ... NSF, KTW, WRAS, etc.QC/QAWe have experienced quality control and assurance system, 30 QC technicians.ApplicationsUsed in ... or samples.GuaranteeHigh quality, reasonable price, reliable service and quick shipment.MOQNegotiable, and small order quantity is welcomed. Rubber seal gasket