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Specifications

Bentonite is available in various grades for its diverse applications:-
     Foundry Grade Bentonite Powder
     Almost all iron, steel & malleable iron casting foundries are using Bentonite for cost efficient results. Bentonite is utilized in foundry to bind the sand grains into desired shapes. Bentonite helps in retaining the mechanical shape of the mould by making the particles of sands adhere to it and also making the surface impermeable. Strength and fusion point are the two important properties desired for selecting bentonite. Primary use is in the production of non-ferrous castings. Mixing ratio depends on the sand fineness and its quality, impurities, clay particles and fineness of sand will affect the Green strength properties.
     Oil well Drilling (Drilling API & OCMA Grade)
     Bentonite clay is used in vertical drilling fluids to increase viscosity and filtration control. This mineral is also ideal in drilling fluids because it expands when exposed to water. This expansion helps down hole formations to be sealed from invading drilling fluids. The Drilling bentonite extracts the drill cuttings from around the drill bit, which are then floated to the surface. Bentonite also serves to cool and lubricate the drill bit as well as seals the drill hole against seepage and to prevent wall cave-ins. It is mainly use in fresh pure water rotary drilling conditions as water quality will affect bentonite performance. The quantity of bentonite used is variable depending upon the depth of the hole to be drilled. Generally one tonne of bentonite is used to prepare about 100 barrels of mud.
     Civil engineering and pilling grade
     Bentonite in civil engineering applications is traditionally used as a thixotropic, support and lubricant agent in diaphragm walls and foundations, in tunneling, in horizontal directional drilling (HDD) and pipe jacking. Due to its viscosity and plasticity, is also used in Portland cement and mortars. PILOGEL grade is widely accepted by civil construction industries for stabilization of slopes during excavation in unstable grounds as well as land fill applications.
     Iron ore palletizing Grade Bentonite
     Our IOP grade bentonite is extraordinary solution for Iron Ore Pellet binding and it can also withstand higher temperature since it contains more percentages of metal. The grade is also having higher natural percentage of Iron which is ideal in isolating ore pellets with the maximum percentages of Iron. The Iron Ore Pelletization plant is able to maintain active clay levels with reduced additions of Bentonite. Since IOP grade bentonite is having high Mont values, it offers more superior thermal durability.
     Activated Bleaching Earth/Fuller’s earth
      It is used as a bleaching agent, as an adsorbent in decolorizing and used for refining oils and fats. Fuller's earth is a mineral substance characterized by the property of absorbing basic colors and removing them from oils. In general Bleaching Earth is a decolorizing agent which will change the tint of any coloured oil to a lighter shade by changing the basic colour units in oil, without altering the chemical properties of the oil. Bleaching Earths are special clays activated by physical or chemical processes. Natural clays are found in special strata and are subjected to various processes such as desegregation in water, treatment by sulphuric acid solutions, filtration, baking, grinding, etc. The efficiency of bleaching earth depends on selecting the right grade and proper blends of the basic raw material Bentonite. The major uses of Fuller's Earth are for decolorizing petroleum oils, edible oil, vegetable oil, beer, the recycling of used lubricating (Engine) oil, fats, greases, paraffin waxes and solvents. It is also used in cosmetics, face pack, and for making masks.