The coating is an inorganic flame retardant insulation material as the main composite. Does not produce any harmful gases at high temperatures. The product has high strength, water, antifreeze, aging, light weight, long refractory period, etc., applicable to gymnasium, petrochemical, entertainment, lounges, TV Tower fire resistance and harsh environments that require high steel Fire protection of buildings. Its fire performance according to national standards GB-14907-2002 detects the indicators are qualified. And through the Ministry of Public Security Fire Product Type Approval.