No Specification Industrial grade Food grade
1 Total phosphate, as P 2 O 5 %≥ 68.0 68.0
2 Inactive phosphate,as P 2 O 5 %≤ 7.5 7.5
3 Iron, as Fe, %≤ 0.05 0.05
4 pH of 1% water solution 5.8-7.3 5.8-6.5
5 Solubility Qualified Qualified
6 Heavy metal, as Pb, %≤ - 0.001
7 Arsenic, as As, %≤ - 0.0003
8 Fluoride, as F, %≤ - 0.003
9 Water insoluble, %≤ 0.05 0.06
1 Total phosphate, as P 2 O 5 %≥ 68.0 68.0
2 Inactive phosphate,as P 2 O 5 %≤ 7.5 7.5
3 Iron, as Fe, %≤ 0.05 0.05
4 pH of 1% water solution 5.8-7.3 5.8-6.5
5 Solubility Qualified Qualified
6 Heavy metal, as Pb, %≤ - 0.001
7 Arsenic, as As, %≤ - 0.0003
8 Fluoride, as F, %≤ - 0.003
9 Water insoluble, %≤ 0.05 0.06
Main Products
Carbon Black, Titanium dioxide,Zinc Oxide,Caustic Soda, Lithopone,