No.	Index	Industrial grade	Food grade
1	Main content %≥	99.0	99.0
2	P2O5 %≥	61.0	61.0
3	Nitrogen, as N  %≥	11.8	11.8
4	pH of 1% water solution	4.4-4.8	4.4-4.8
5	Moisture %≤	0.1	0.1
6	Heavy metal, as Pb%≤	-	0.001
7	Arsenic, as As  %≤	-	0.0003
8	Fluoride, as F  %≤	-	0.002
9	Water insoluble  %≤	0.10	0.05

Application: Used 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 agent, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 73% fertilizer elements (N+P2O5), and may be used as a basic raw material for N, P and K compound fertilizer.

Packaging: 25kg/50kg/1000kg in plastic woven bag with PE lining. Stored in ventilated and dry place.