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
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