Cellular rubber; Cords of rubber; Crude rubber; Electrical tape; Film for mulching; Films and sheets made from polymers for use in the manufacture of circuit boards; Flexible tubes of plastic; Insulating gloves; Insulating refractory materials; Plastic film for industrial and commercial packing use; Plastic film for packing and stuffing; Plastic film for use in laminating paper; Plastic films for agricultural purposes; Plastic masking film for use when painting automobiles; Polymer film used ...