Building materials, not of metal, namely, construction profiles, blocs, thermal insulation and thermal distribution panels; [ Construction materials, not of metal, namely, construction blocs, sheets and profiles made of graphite, fibers plastic, composites; ] Refractory construction materials, not of metal, namely, thermal insulation blocks, sheets and layers, fire protection blocks, sheets and layers, gas and liquid insulating blocks, panels, ceilings, floors, wall panels, sheets and layers,...