Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials, namely, adhesive sealants for general use, adhesive sealants for use in roofing, aerosol foam sealants for use in connection with residential and commercial construction projects, anti-rust sealants, dust-proofing sealants, grout sealants, sealants for caulking and adhesive purposes, sealant compounds for joints, sealants for buildings, water-proof sealants; plastics in extruded form for use in manufacture; stoppin...