Door stops of rubber; Insulating materials; Non-metal weather strips for buildings; Packing and insulating material; Plastic film that is electrostatic for use in home or auto windows; Semi-processed plastics in the nature of filtering materials in manufacturing; Semi-processed plastics in the nature of filtering materials in the chemical filtering industry; Semi-processed plastics in the nature of filtering materials in the foam industry; Semi-processed plastics in the nature of filtering ma...