[ Packing and insulating materials; ] flexible pipes, not of metal; [ plastics in extruded form for use in manufacture; insulating materials; acoustic insulation barrier panels for sound-insulating and damping; glass fiber filtration media sold in rolls; synthetic plastic as semi-finished products in the form of foils, plates, rods and blocks; foam rubber; rubber sleeves for protecting parts of machinery, rubber stoppers and shock absorbing buffers of rubber for industrial machinery; insulato...