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Appearance: White flake or block or granule or powder
Molecular Formula: Al2(SO4)3
Purity: Al2O3 15.8%/17%
Including anhydrous and hydrous(18 crystal water) type. Usually, the crystal separated out from aqueous solution at the normal temperature is Al2(SO)3.18H2O; When weathering, the average molecular structure is Al2(SO4)3.14H2O, may appear white powdery, with bright flake or crystalline flakelet, odorless, to change the taste from sweetness to slight astringency.
According to the national standard HG2225-2001.
1. Widely used in paper making, water purification.
2. Widely used as mordant, tanning agents, pharmaceuticals astringent, wood preservatives, foam fire extinguishing agent, etc.
[ Packing & Storage]
25 Kg kraft paper bag with inner plastic woven bag. Or according to your request. The product is liable to absorb moisture and clot due to long-term exposure, so shady, cool and ventilated environment is needed.
|Index||15.8% (Iron)||17% (Ironless)|
|Appearence||white flake or block or granule or powder|
|Al2O3 % ≥||15.8||17|
|Iron (Fe) % ≤||0.50 ||0.005|
|Water insoluble matter % ≤||0.15||0.15|
|PH value 1% aqueous solution ≥||3.0||3.0|
|Heavy metals as Pb % ≤||0.002||0.002|
|Arsenic(AS) % ≤||0.0005||0.0005|
|The above mentioned chemical product has no poison, no pollution, and no cauterization.|