17
Packing, stopping and insulation materials, namely mineral wool products in the form of strips, mats, felt mats, tiles, slatted mats, slatted tiles and shaped parts of mineral fibre, including the aforesaid goods with one or both sides coated with dispersions of plastic and/or water glass based and/or hydraulic based and/or artificial resin based binding agents, with or without filling materials and/or colouring pigments, in particular rock wool insulating boards, all goods for heat insulation, sound proofing and fire protection
19
Building materials not of metal, namely mineral wool products in the form of strips, mats, felt mats, tiles, slatted mats, slatted tiles and shaped parts of mineral fibre, including the aforesaid goods with one or both sides coated with dispersions of plastic and/or water glass based and/or hydraulic based and/or artificial resin based binding agents, with or without filling materials and/or colouring pigments, in particular rock wool insulating boards