Acrylic in sheet form sold for further fabrication and general manufacturing; Ebonite; Electrical insulating rubber products; Extruded construction forms for insulation; Films and sheets made from plastic for use in the manufacture of circuit boards; Garden hoses; Glass fibers for insulation; Insulating and protective interlayer dielectric materials and coatings for use in integrated circuits, semiconductor devices, computer disk drives and other computer hardware; Packing and insulating material; Plastic foam used for arts and crafts; Plastic material in extruded form for use in production; Resins in sheets for industrial use, namely, for use in the manufacture of circuit boards; Rubber lids and caps; Synthetic rubber; Vulcanized fiber for use in the manufacture of electrical insulation