... silicone bulb seal, silicone valve seal, silicon carbide seal, silicone rubber extrusion seal, silicone pressure cooker seal, silicone lip seal, oil ... seal, mechanical seal, rubber seal, car seal, plastic seal, cap seal, seal1. The ... yourself4. Made of high quality food grade silicone material, other rubber material also available, such as NR, NBR, CR, EPDM ...