Ultra Chemical Works


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Alumina Ferric



Our company is recognized as one of the most eminent Aluminum Sulphate Exporter from India. Various national as well as international clients are placing bulk orders for the Alumina Ferric due to its appearance and availability in varied grades to meet the applications. Further to meet the specifications of the application, Alum Ferric is available in slab form as these are easy for stocking, handling & transportation. Usually it comes 20 kg approximate in weight in naked form.

Alumino Ferric is a technical form of Aluminium Sulphate. It is also known as cake or patent alum. It is widely used for tanning of leather, sizing of paper, water purification, manufacture of lake pigments, antiperspirants, agricultural pesticides, aluminium resinate and other aluminium salts, clarifying oils and fats, treating sewage, water proofing concrete, fire-proofing & waterproof of cloth and deodorizing and decolorizing petroleum products.

The material shall essentially be Aluminium Sulphate Octadecahydrate [Al2(SO4)3.18H2O]. The article of commerce usually contains 5 to 10 percent less water than the theoretical amount. It shall be in the form of a coarse powder (kibbled) or slabs. The color of the material shall be cream to brown.



Specification of Aluminium Sulphate (Alumino Ferric)

Sr.No Characteristc Value/Specification
1 Insoluble matter percent by mass max 0.5
2 soluble Iron compounds (as Fe) percent by mass max 0.7
3 Water-soluble Aluminium compound (as Al2O3) percent by mass max 15.00
4 PH (of aqueous solution) not less than 2.9
Now a days only slab form is in the practice easy for stocking, handling & transportation. Usually it comes 20 kg approximate in weight in naked form.


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