Usage:As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating. 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. It contains totally 74% fertilizer elements, 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: % 53 min 53 min
，Nitrogen as N: % 20.8 min 20.8 min
Ph of 1% water solution: - 7.8-8.2 7.8-8.2
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
