Natural Indian Minerals
Fullers Earth Minerals

Name and Composition - Composed essentially of attapulgite, montmorillonite and kaolinite: AI4Si8O20(OH)4.nH2O.

Physical Properties - It is yellowish colored, non-swelling clay having bleaching property.

Mode of Occurrence - It occurs as deep seated sedimentary deposits in tertiary formations.

Uses - It is used mostly in fertilizer industry. After activation, it is used in decolourising of oils, petroleum, lubricants etc. it also finds use as absorbant, cleaning oil, as spillage in factory floors, as carrier for insecticides and fungicides, as a mineral filler and extender.

Mineral based Industries – Pulverisers.

Industrial Prospects – Grinding units, pulverisers.


Physical Properties
pH
Sp. gr.
Moisture
Acidity
Oil Retention
Appearance
8
2.5
10 % Max
0.2 % Max
35% Max
Free flowing powder
Chemical Properties
Silica (SiO2)
Alumina (Al2O3)
Potassium Oxide (K2O)
Titanium Dioxide (TiO2)
Calcium Oxide (CaO)
Ferric Oxide (Fe2O3)
Manesium Oxide (MgO)
Others
Loss on Ignition
58.50 %
11.20 %
1.10 %
0.90 %
1.20 %
4.50 %
8.80 %
2.40 %
11.4 %
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