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  Aluminum Sulfate  15.8%/17%


Quick details:
Classification: Chemical Auxiliary Agent   CAS No.: 10043-01-3    MF: Al2(SO4)3
Place of Origin: Tianjin China (Mainland)        EINECS No.: 233-135-0
Usage: Leather Auxiliary Agents, Paper Chemical...   Purity: 15.8%/17%   
Appearance: white flake or block or granule or powder
 
Packaging: 25kgs/50kgs net in plastic woven bag with PP lining load 25 MT in 20 FCL"
 
Specifications:
1, Features:
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. 
2Technical Indicators:
 
According to the national standard HG2225-2001.  
Index
15.8% (Iron)
17% (Ironless)
Appearance
          white flake or block or granule or powder
Molecular Formula
       AL2(SO4)3
Al2O3 % ≥
15.8
       17
       Iron (Fe) % ≤
0.50
0.005
Water insoluble matter % ≤
0.15
0.15
PH value1% aqueous solution ≥
3.0
3.0
       Heavy metals as Pb % ≤
0.002
0.002
Arsenic(AS) % ≤
0.0005
0.0005
       Granularity ≥
_
15

Usage:
used for the manufacturing of  wood –pulp, paper, alum, aluminium salt, printing ink, lubricant, boiler cleaning agent, satin white, oilcloth, linoleum, ceramics, for sizing paper, clarifying fats and oils, tanning white leather, and water purification as deodorization and decolourizer in petroleum refining, as filtering medium water-proofing agent, and as mordant in dyeing.