silicone seal strip 1.made of high quality rubber/ ... rubber, thermoplastic, and PVC extruding tube and sealing strip with special profile, different kinds of rubber moulding products ... heat and high voltage resistance. FDA silicone extrusion sealing strip. 1.100% silicone or FDA silicone. 2. ... extrusion sealing stripFDA silicone extrusion sealing strip.1.Material: silicone,EPDM,NR,NBR,SBR,CR ...