1 Chemicals used in industry; synthetic barrier technology products, namely chemical/fuel resistant waterproofing preparations (except paints) for use with concrete products in the chemical resistant containment industry; chemical/fuel resistant synthetic liners used on soil in the chemical resistant containment industry; water-repellent caulking sealant for use with concrete products in the chemical resistant containment industry.
17 Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastic substances, semi-processed; plastic films other than for wrapping; rubber and plastic barrier technology products, namely chemical/fuel resistant waterstops for use with concrete products in the chemical resistant containment industry; chemical/fuel resistant non-metal liners used on soil in the chemical resistant containment industry; water-repellent caulking sealant for use with concrete products in the chemical resistant containment industry.
19 Building materials (non-metallic) except for building slabs and building panels; asphalt, pitch and bitumen; coatings (building materials), water-proof cement coatings; linings, not of metal, for building purposes; surfacings not of metal for building; non-metal barrier technology products, namely chemical/fuel resistant waterstops for use with concrete products in the chemical resistant containment industry; chemical fuel resistant non-metal liners used on soil in the chemical resistant containment industry; water-repellent caulking sealant for use with concrete products in the chemical resistant containment industry.