Semi-manufactured plastic products, namely, semi-processed plastics; [ weather striping compositions, water-tight and insulating material, namely, weatherstripping sealants in the nature of caulk; non metal flexible tubes, namely, flexible pipes, not of metal, and non-metallic flexible tubes of rubber, plastic; ] synthetic resins and plastics as semi-manufactures; synthetic resins and plastics as semi-manufactured products in the form of granules, fibres, threads, tapes, strips, films, foil, ...