Ammonium polyphosphate Oxyl groups to form a nonstable phosphateester. Following dehydration of the phosphateester, a carbon foam is built iciency intumescent coating, the flameproof treatment for multistory building, ships, trains, cables, etc. 2. Used as the main flameproof additive for expanding-type flame retardant used in plastic, resin, rubber, etc. 3. Make into powder extinguishing agent to be used in large-area outfire for forest, oil field and coal field, etc. 4. In plastics (pp, pvc, pe, etc.), polyester, rubber, and expandable fireproof coatings. Packing: 25kg plastic woven bag with pe liner. 20mt/20¡¯fcl without pallets, 18mt/20¡¯fcl with pallets. Other packing as request.