Usage:As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. Its total nourishment (N+P2O5 ) is at 73%, and may be used as a basic raw material for N, P and K compound fertilizer.
Standard:
Item Unit Specification
Tech grade Food grade
Main content： % 98 min 98 min
Phosphorus pentoxide as P2O5: % 61 min 61 min
Nitrogen as N: % 11.8 min 11.8 min
Ph of 1% water solution: - 4.4-4.8 4.4-4.8
Moisture: % 0.2 max 0.2 max
Heavy metal as Pb: % 0.001 max
Arsenic as As: % 0.0003 max
Fluoride as F: % 0.003 max
Water insoluble: % 0.1 max 0.1 max
