6
Metal hardware; Building and construction materials and elements of metal; Refractory construction materials of metal; Refractory construction materials of metal; Air grilles of metal; Flanges of metal [collars]; Refractory blocks of metal
17
Fire resistant and fire preventive articles and materials; Insulation and barrier articles and materials; Fire resistant insulated panels; Glass fiber fireproof textiles; Caulking materials; Seals, sealants and fillers; Fire resistant expansion joints; Plastic seals; Thermal insulation articles and materials; Insulations with sealing functions for heat protection; Flexible pipes, tubes, hoses and fittings therefor (including valves), and fittings for rigid pipes, all non-metallic; Sealing assemblies (Non-metallic -); Insulating paints; Insulating mastics; Adhesive sealant compounds; Sealing compounds [mastics]; Radial shaft sealing rings (Non-metallic -); Grommets made of rubber; Sealing strips made of rubber; Rubber sealants for joints; Elastomeric sealing material being vapour impermeable; Foil tapes for heating duct sealing; Fillers for joint packing; Insulating fillers; Semi-worked plastic substances; Fireproof seals; Weatherstrippings (Non-metallic -)
19
Building and construction materials and elements, not of metal; Refractory construction materials, not of metal; Refractory shapes [non-metallic]; Louvre vents (Non-metallic -) for buildings; Fire resistant collars (Non-metallic -) for pipes; Non-metallic refractory blocks; Bituminous sealing membranes; Fireproof tiles; Refractory mortar; Fireproof panels for use in building (Non-metallic -); Refractory ceramic masses