Aluminum hydroxide flame retardant is a kind of filling flame retardant, mainly composed of Al (OH) 3. Aluminum hydroxide micro powder is white powder without secondary pollution. It is an inorganic environment-friendly flame retardant.It can endow products with flame retardant, smoke elimination, filling, antistatic and other characteristics. The utility model has the advantages of low cost, high performance, good stability, no volatilization, no corrosion to equipment, high decomposition temperature, etc.