Class B fireproof material which
A class of fire insulation materials, you have to use B-class?
Wall material B2: all kinds of natural wood, wooden wood-based panels, bamboo, paper decorative panels, decorative Mianmu veneer panels, printed wood-based wood panels, plastic veneer decorative panels, polyester decorative panels, , Plastic sheet, plywood, plastic wallpaper, non - woven wall covering, wall covering, composite wallpaper, natural materials, wallpaper,
Ground material B1 level: hard PVC plastic flooring, cement particle board, cement wood board, neoprene flooring, etc .;
Ground material B2 level: semi - rigid PVC plastic flooring, PVC sheet flooring, wood flooring, such as carpet;
Decorative fabric B1 level: the flame retardant processing of various types of flame retardant fabrics;
Decorative fabric B2: pure wool decorative cloth, pure linen cloth, the flame retardant processing of other fabrics;
Other decorative materials B1 level: PVC plastic, phenolic plastic, polycarbonate plastic, polytetrafluoroethylene plastic. Melamine, urea-formaldehyde plastic, silicone plastic decorative profiles, all kinds of fabrics, such as flame-retardant treatment. See also the materials in the ceiling material and wall materials;
Other decorative materials B2: Flame-retardant treatment of polyethylene, polypropylene, polyurethane, polystyrene, glass steel, chemical fiber fabrics, wood products.
Wall material B1 level: paper gypsum board, fiber gypsum board, cement particle board, mineral wool board, glass wool board, perlite board, flame retardant plywood, flame retardant medium density fiberboard, fire plastic decorative panels, flame retardant double-sided particleboard , Colorful paint, flame retardant wallpaper, flame retardant wall cloth, flame retardant imitation granite decorative panels, magnesium chloride cement assembly wall panels, flame retardant glass steel plate, PVC plastic wall panels, light high-strength composite wall panels, Wood composite sheet, color flame retardant wood-based panels, flame retardant glass fiber reinforced plastic;
According to the national standard "Building interior decoration design fire safety standard GB50222-95" provides: building interior decoration materials B grade is divided into B1 (flame retardant), B2 (flammability) and B3 (flammability) three class. According to the material used in the common parts of the fire class classification example:
Ceiling material B1 level: paper gypsum board, fiber gypsum board, cement particle board, mineral wool decorative sound absorption board, glass wool decorative sound absorption board, perlite decorative sound absorption board, flame retardant plywood, flame retardant medium density fiberboard Decorative panels, firewood wood, aluminum foil composite materials, flame retardant phenolic plywood, aluminum foil glass fiber reinforced plastic composite materials;
