17 Plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; Plastic in bars, blocks, pellets, rods, sheets, tubes, films, and other preshaped forms for further manufacture for general industrial use; Plastics in extruded form for use in further manufacturing; Plastic composite material in the form of profiles, boards, sheets, blocks, rods, powder, and pellets for use in manufacturing; Semi-worked synthetic plastic and synthetic resins as semi-finished products in form of pellets, rods, foils, foams, fibers, films and sheets; Building insulation; Insulating materials and tapes; Packing materials of rubber or plastics; Polymers produced from industrial chemicals, namely, plastic in bars, blocks, pellets, rods, sheets, tubes, films, and other preshaped forms for use in manufacturing