Specification :

Aluminum sulfate 15.8%

Appearance : slight greenish flake
Aluminum Oxide (AL2O3)% 15.8 min
Iron(Fe2O3) : 0.5% max
PH: 3 min
Water-insoluble Matters : 0.1% max

Aluminum sulfate 16% & 17% (Ironless or free of Iron)

Appearance : white flake or powder
Aluminum Oxide (AL2O3)% 16 min or 17 min
Iron(Fe2O3) : 0.005% max
PH: 3 min
Water-insoluble Matters : 0.1% max
 

Use: Use for the papermaking, water purification, is used as mordant,

tanning the pharmaceutical of leather, medical astringent, timber

preservative, foam fire extinguishing agent,etc.