Aluminium sulfate

White crystals

Fe≤0.005%

Water insoluble≤0.1%

Ph:3.0

As≤0.0005%

Pb≤0.002%

Al2O2≥15.8%

For the production of artificial gemstones and high-grade ammonium alum.

Curing agent (for removing impurities such as oil, water, etc.), stabilizer for albumin pasteurization.

Used in papermaking, water purification, and used as mordant, leather tanning agent, pharmaceutical astringent, wood preservative, foam fire extinguishing agent, etc.