Standard executed:Tech grade(HG/T2837-1997) Food grade(GB 1890-2005)

Standard executed:Tech grade(HG/T2837-1997) Food grade(GB 1890-2005)
Packinng and storage:
In 25kg,50kg,1000kg net bag,store at a cool,dry and well ventilated place

Specification            Tech Grade   Food Grade   FCC-IV  
Total phosphate     %≥    68.0         68.0        68.0
Inactive phosphate  %≤    7.5          7.5         7.5
iron(Fe)            %≤  0.05         0.05        0.05
PH value                 5.8-7.3        5.8-7.3    5.8-7.3
Heavy metals,as pb                      10ppm       10ppm
Arsenic,as AS                           3ppm        3ppm
Fluoride as F                           30ppm       30ppm
Water insoluble     %≤   0.05          0.05        0.2
Polymerization            9-21          9-21

usage:
used in industies of oil fields,paper production,textile,dying,petroleum,chemistry,metallurgy and construction materials and so on.
as water softener,flotation selecting agent,disperser and high temperature adhesive;
in food industry is used as an sddictive,nourishing agent,quality improver,PH regulator,metal ions chelating agent,adhesive and leavening agent etc