Appearance: The product is a non-toxic, odourless, light grey crystal.
Property: The product is very good water soluble, even graininess without powder and apt to be counted automatically.
Usage: The product is widely used as thickener in paper-making industry, as aeroflocs in water purifying process, as mordant and tanning agent, as astringent in medicine, as wood antiseptic, as fire-extinguishing foam, and as material in producing ammonia alum, potassium aluminium and imitation jewel, etc.
Technical Indexes:
|
Name of Index
|
Index
|
||
|
(Al2O3) % ≥
|
17
|
16.5
|
15.8
|
|
(Fe) % ≤
|
0.4
|
0.4
|
0.4
|
|
Water Insoluble % ≤
|
0.1
|
0.1
|
0.1
|
|
PH Value ≥
|
3.0
|
3.0
|
3.0
|
|
Graininess mm
|
3-3
|
3-4
|
3-4
|