heat-resistant silicone gaskets 1.FDA, LFGB, ROHS approvel. 2.Lead Time: 10~15days ... transparent silicone o ring, transparent silicone sealing, heat-resistant silicone gaskets Item#O Ring ROR-S0007Material NBR, HNBR, NBQ, FKM, CR ... : transparent silicone o ring, transparent silicone sealing, heat-resistant silicone gaskets