IMPAC

Unprocessed and semi-processed rubber, gutta-percha, unprocessed or semi-worked gum, asbestos, mica; substitutes for rubber, gutta-percha, gum, asbestos, mica, namely, liquid latex and silicone rubber; plastics and resins in extruded form for use in manufacture; packing and insulating materials; stopping materials in the nature of adhesive tape and adhesive sealants for use in roofing and flexible plastic membranes for insulating and waterproofing; flexible pipes, tubes and hoses, not of metal