Raw or semi-worked rubber, gutta-percha, gum, asbestos, mica and semi-finished synthetic goods made from these materials in the form of powder, bars, panels and foils; insulation, stopping and sealing materials, namely insulation paints, insulation fabrics, insulating tape and rubber bands for industrial use, insulation covers for industrial machinery, joint sealant compounds for joints, pipe gaskets, non-metal O-rings for sealing purposes, other than gaskets for motors, cylinders and washer ...