Chemical substances, chemical materials and chemical preparations; filtering materials [chemical, mineral, vegetable and other unprocessed materials]; unprocessed plastics.

Treatment and recycling of packaging; removal of specified chemicals from chemical process fluids; processing of organic chemical liquids; preparation by solution deposition; treatment of hazardous liquids; stripping finishes; treatment of hazardous substances; preparation of electronic circuitry by solution deposition; treatment and coating of metal surfaces; treatment of aluminum.

Shock-absorbing and packing materials, vibration dampers; seals, sealants and fillers; flexible pipes, tubes, hoses and fittings therefor (including valves), and fittings for rigid pipes, all non-metallic; insulation and barrier articles and materials.