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Aluminium Sulphate

Aluminium Sulphate
Aluminium Sulphate
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Product Code : 83
Product Description
Aluminium sulfate is mostly taken into use like a flocculating agent in the distillation of drinking water, in waste water treatment plants, and in a paper producing. It is extensively taken into use in the concrete expertise as quickening agent.

Nature: Aluminium sulfate is a chemical composite having formula Al2(SO4)3.18H2O

CAS Number 7784-31-8


Form : Solid, Lumps & powder
Appearance : White crystalline solid to free flowing powder
pH value (0.5:10) : Min. 2.8
Solubility : Completely soluble in hot water.
Al as Al2O3 : Min. 16 %
Insoluble matter : Max. 0.8 % (In water)
Iron content as Fe : Below 50 ppm

Properties: Aluminium sulfate, also known as either sulphate or aluminum, is a chemical complex with the chemical formula as Al2(SO4)3. It is sometimes mentioned to as a sort of alum.

Application: Lakes, Sizing paper, foaming mediator in fire foams for clarifying and leather agent for fat and oil, mordent for drying, etc. It is taken into use in water distillation and as an astringent in printing and dyeing textiles. In water distillation, it makes scums to coagulate
which are removed as the particulate settles to the bottom of the container or more easily filtered. This procedure is known as flocculation or coagulation. When liquified in a great amount of slightly or alkaline water, it produces a gummy precipitate of aluminum hydroxide, with formula as Al(OH)3. In printing and dyeing cloth, the gummy precipitate aids the dye follow to the clothing fibers through interpreting the pigment insoluble.

In construction industry it is employed as accelerator in concrete and waterproofing agent. Additional use is like a foaming mediator in firefighting foam.

Storage: It is tart in nature. So, it should be stowed in its unique closed packaging. If stowed correctly in its original closed packing the shelf life is minimum 12 months.

Packing: Aluminium sulphate is available in 25 kg & 50 kg HDPE bag. Alternative packing sizes may be available upon request.

Sr. No. Test Unit Result Specification
1 Appearance / White fine free flowing powder White crystalline solid to fine free flowing powder
2 pH  10 % Solution in water /  
2.0 to 4.0
3 Al2O3 Content  
15.0 to 17.0
4 Appearance of 10 % solution in water  
             Clear solution
Clear solution
5 Insoluble matter in water %  
Max. 0.8