Properties: white granular crystals, relative density 1.619, melting point 155 degrees C, soluble in water, micro-soluble alcohol, insoluble in ketones, 1% aqueous solution PH value of 8.0, in the air gradually lost ammonia production of ammonium phosphate. Use: mainly used in wood, paper, fabrics as fire-resistant agents, but also used as fire-resistant paint additives, dry powder extinguishing agents, etc. , in the food industry as fermentation agents, nutrients and so on. In agriculture as a non-chlorinated N, P binary compound fertilizer is applicable, its total nutrient (N-P2O5) is 73%, is the configuration of N, P, K three-way compound fertilizer high-quality basic raw materials. Product advantages: good crystal, water-soluble clear, low heavy metal content, suitable for high-end water-soluble fertilizer, fire, paper, new energy and other industries of high-quality raw materials, products are exported to Southeast Asia, India, the Middle East, Australia, Africa and other countries.