Zhejiang Longyou GD Chemical Industry Co., Ltd. is a high-tech private corporation specialized in research, production and application of environment-friendly halogen-free ammonium polyphosphate series flame retardants. Our chief products are as following: GD-APP101 Ammonium with high polymerization degree ...

Our company, Presafer (Qingyuan) Phosphor Chemical Co. Ltd., is a manufacturer of halogen free flame retardant. One our major product APP(Ammonium polyphosphate), totally, we have three types: EPFR-APP222, the basic without surface treatment; applied in fireproof coating/paint; EPFR-APP231, treated with melamine; epoxy ...

Ammonium polyphosphate (APP-1 ) Molecular Formula (NH4PO3)nAppearance white powder Specifications P2O5 (%) 71min N 14minDegree of polymerization 1500min Density (g/cm3) 1.9 Decompositiontemperature 270min Solubility in water (g/100mlH2O)0.3g/100mlH2Omax PH 5.0~7.5 Particle size Dav 15ummax ...

The ROSHAL Group, based in Roshal, Russia, is an internationally operating chemical company.The core business of ROSHAL Group is the development and production of special chemical materials.

Shandong Shian Chemical Co., Ltd. ( former Qihe chemical Factory) was founded in 1985. It is the appointed fire extinguish products manufacture of bureau public security bureau. We have a fixed asset 10 million yuan and 68, 800 sqm floor areas. The company has 200 employees, including senior engineers, 8 technicians 3 ...

Cangshan Hongchuang Flame Retardant has been a quality chemical supplier to industries for years, such as plastics, wood, paper, electronics, and automotives. We pride ourselves in trading the highest products at compatible prices our customers.All of flame retardants are halogen free. supply ammonium polyphosphate? ...

We are based onphosphorus chemical industrythrough：  professional production- itsspecialization is resulted from its experiences in the phosphorus industry since 2002 innovational research - company has own intellectual property rights resources saving orientation- provides fertilizer formulas and ...