flexible tubes not of metal; insulators for pipes and for electrical cables; rings of rubber for use as pipe connection seals; [ washers of rubber or vulcanized fiber; joint packing for non-metal pipes and flexible non-metal pipes; ] tube connections not of metal for splicing and/or connecting pipes and tubing [; door stops of rubber; valves of rubber or vulcanized fiber ]

Non-metallic flexible tubes for use in vehicles, railways, wind power generators, machinery for the plastic industry, pottery machinery, wood machinery, paper manufacturing machinery, cleaning machinery, printing machinery, welding machinery, smelting, mining, heating systems, air extraction, and machinery for the manufacture of foodstuffs, pharmaceuticals, cosmetics and chemicals; insulators for electrical cables; rings of rubber for use as pipe connection seals; washers of rubber or vulcani...

Flexible silicon and thermoplastic elastomer resin tubes for general industrial use