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factory sale 16% 17% aluminum sulfate alum powder
Molecular Formula:Al2(SO4)3.18H2O
Properties:There are two types, anhydrous aluminium sulphate and aluminium sulphate octadecahydrate.In normal condition, it is AL2(SO4)3.18H2O.
Standard: HG 2225-2010
Shape: white lump(2-15cm),flake(0-15mm), granular (2-8mm) and powder(0-2mm).when laid in air for a long time,a little green because of Fe2+, and then go yellow when Fe2+ is oxided to Fe3+.
Application
1) Water effluent treatment system
It's used for purification of drinking water and wastewater treatment by settling of impurities by means of precipitation and flocculation.
2) Paper Industry
It helps in sizing of paper at neutral and alkaline pH, thus improving paper quality (reducing spots and holes and improving sheet formation and strength) and sizing efficiency.
3) Textile Industry
It is used for color fixing in Naphthol based dyes for cotton fabric.
4) Other Uses
Leather tanning, lubricating compositions, fire retardants; decolorizing agent in petroleum, deodorizer; food additive; firming agent; dyeing mordant; foaming agent in firefighting foams; fireproofing cloth; catalyst; pH control; waterproofing concrete; aluminum compounds, zeolites etc.
Item name | Standard | Results |
AL2O3 | ≥16% | 16.2% |
Fe2O3 | ≤0.3% | 0.17% |
PH value | ≥3.0 | 3.1 |
Water insoluble matter | ≤0.05% | 0.02% |
Item name | Standard | Results |
AL2O3 | ≥17% | 17.2% |
Fe2O3 | ≤0.005% | 0.003% |
PH value | ≥3.0 | 3.1 |
Water insoluble matter | ≤0.05% | 0.02% |



Packing 25kg or 50kg or 1000kg in woven bag with plastic liner; For export following your demands


We offer free samples
OEM and buyer's printing service offered
Our company, Zibo Dazhong Edible Chemical Co.,Ltd, is committed to providing top-grade chemicals for the treatment industry of drinkable water and sewage. At present, our company is one of the biggest manufacturer of Aluminium Sulphate and Alum products.
Aluminium Sulphate Series: 80,000 tons per year.
Alum Series: 30,000 tons per year.
We got the certificates of ISO9001 Quality System and 14001 EMS in 2010 Successfully.
WELCOME TO OUR COMPANY TO VISIT AND DISCUSS BUSINESS~!

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