Medical Needle Cover Syringe Sealing Test Tube End Cap 3mm Sealing Head Gasket
And Has A High Temperature Resistance Of 250 Celsius, Low Temperature -40 Degrees Celsius, With Good Sealing And. There Are Silicone Rubber Plugs, Silicone Rubber Plugs, Silicone Rubber Foot Pads, Silicone Rubber Sheets，.