No.	Index	Industrial Grade	Food Grade
1	Main content %≥	95.0	95.0
2	P2O5  %≥	57.0	57.0
3	Iron, as Fe  %≤	0.015	0.01
4	pH of 1% water solution	9.2-10.0	9.5-10.0
5	Water insoluble %≤	0.1	0.05
6	Heavy metal, as Pb %≤	-	0.001
7	Arsenic, as As  %≤	-	0.0003
8	Fluoride ,as F %≤	-	0.003
9	Chloride, as Cl  %≤	-	0.025

Applications: Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process.

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