... kinds of rubber, thermoplastic, and PVC extruding tube and sealing strip with special profile, different kinds of rubber moulding products, silicon ... hardness is from 10 Shore C to 40 Shore C. Color could be brown, gray, black, white, that's optional. ... regular shapes or color. Usually they are made according to customers' design (drawings) and the assemble parts. color silicone strip for fresh-boxes ...