Aluminium oxide al2o3 %: Min:
Iron fe content% max: 0.50-0.0005
Water insoluble matter % max: 0.15
pH value 1% aqueous solution: Min: 3.0
Heavy metals as pb % max: 0.002
As % max: 0.0005
Type: Flakes
Packing: 50kg/ppbag
Usage: Used in papermaking, printing and dye, tanning leather, fire-fighting e, drug and wood preservation, etc.