Cords of rubber; Crude rubber; Elastic yarns, other than for textile use; Electric, thermal and acoustic insulators; Flexible tubes of plastic; Insulating gloves; Insulating refractory materials; Insulating waterproofing tiles; Insulation for air conditioners; Padding materials of plastic; Pipe insulation; Plastic film for industrial and commercial packing use; Plastic film for packing and stuffing; Plastic masking film for use when painting automobiles; Polymer film used for manufacturing el...