- Carbonate[4]
- Phosphate[10]
- Phosphate Fertilizer[4]
- Compound Fertilizer[8]
- Organic Intermediate[1]
- Contact Person : Ms. Yang qun
- Company Name : Sichuan Province Shifang City Yida Chemical Co., Ltd.
- Tel : 86-023-67721773
- Fax : 86-023-89119316
- Address : Sichuan,Shifang,Lingjie Town Industrial Park Area,Shifang City,Province in the Southwest of China
- Country/Region : China
- Zip : 618412
APP ammonium polyphosphate flame-retardant additives
Ammonium polyphosphate
Chemical formula (NH4PO3)n n>50
Properties The degree of polymerization of our high-polymerization long-chain ammonium polyphosphate is higher than 50;solubility in water,lower than 2g in every 100ml water,low hygroscopicity;high content of phosphorus and nitrogen,good flameproof effect.PH is near to neutral,good heat stability and good compatibleness,very low toxicity(LD 50>10g kg),very safe during production and use.
Application Used to prepare many kinds of high-efficiency expanding-type flameproof coating,the flameproof treatment for multistory building,ships,trains,cables;in the flameproof treatment for woods,plywood,fiberboard,papers,fibers etc.
Packing 25kg or 50kg net in plastic-woven sack with inner polythene film bag.Store in a ventilated,dry place.
Technical specifications
NO | Specifications | HG/T2770-1996 |
1 | Phosphorus pentoxide %≥ | 68.0 |
2 | Nitrogen,as N %≥ | 13.0 |
3 | PH value of 1% solution | 4.5∼6.5 |
4 | average degree of polymerization | 0.5 |
APP ammonium polyphosphate flame-retardant additives