anti-slip pads made of rubber; rings of rubber; rubber washers; sealant mastics for use in industry; sealing strips made of plastics; masking tape for industrial purposes; insulating boards; insulating bands; adhesive bands for industrial purposes; acrylic rubber; draft excluder strips of foam rubber strips; weatherstripping of foam rubber strips; insulation fibers; insulation materials of plastics; sealing strips made of rubber; sealing strips made of synthetic rubber; insulating water proofing membranes; water-tight rings; sealing rings; waterproof membranes of PVC