Clay Mineral

Sodium Bentonite for foundry, drills

Blasting Materials distributed by GritSablare are characterized by outstanding quality. This quality is reflected in an above-average service life, a very high productivity and value retention.

Sodium Bentonite for Foundry, Drills
Bentonite for Food Industry (99,9% Purity)

  • High quality Sodium Bentonite obtained from premium bentonite mineral clays, with rich content of montmorillonite, an ideal additive for foundry industry, drilling, construction;
  • Uses: binder in casting molding mixtures drilling fluids preparation to lubricate and cool the cutting tools, to remove cuttings, and to help prevent blowouts oil refinery groundwater barrier slurry walls in modern construction electrical grounding sealing in pottery to make the clay mixture more plastic for decolorizing various mineral, vegetable, and animal oils for clarifying wine, liquor, cider, beer, mead, and vinegar.
Ecological Product

PREMIUM Bentonite
99,9% Purity

  • Origin of Argentina
  • Extra-fine size:
    Sieve Analysis 200 Mesh (0,053mm): ~0.5%
  • Bags of 20 Kg (Moisture Proof Paper Bags)

SUPER-BOND Bentonite

  • Origin of India
  • Super-fine size:
    Sieve Analysis 200 Mesh (0,053mm): ~20%
  • Bags of 20 Kg (Moisture Proof Paper Bags)
  • Big Bags of 1350 Kg
  • The material must be stored in a dry place.

PREMIUM Bentonite 99,9% Purity

PREMIUM Bentonite 99,9% Purity
  • The PREMIUM Bentonite 99,9% Purity, provided by GritSablare is extracted from the montmorillonit mines in Argentina. Our product comes from the volcanic ashes clays that are found around the Pellegrini Lake. In millions of years, under special environmental conditions, our PREMIUM bentonite has become one of the best Natural Sodium Bentonite in the world.
  • It provides great thermal stability and excellent resistance & tensile strength, to ensure the best quality for the product.
  • Due to a careful selection and a specialized process of extraction and grinding, our bentonite has unique characteristics and high efficiency: rich montmorillonite content of 99,9% purity, excellent cationic exchange and swelling capacity.
  • Our PREMIUM Bentonite registers superior values when compared to other products, including the Wyoming scale of bentonitic products.

Binder in Foundry Industry
Binder in Foundry Industry
The PREMIUM Bentonite offered by GritSablare is the best sodium bentonite in the world that can be used as binder in foundry industry.
Food Industry
Food Industry (wines)
Natural agent, no aditives, and decolorizing agent for various mineral, vegetable, and animal oils and for clarifying wine, liquor, cider, beer, mead, and vinegar.
Chemical Industry
Chemical Industry
Thickening agent for paints, varnishes, inks.

Excellent Strength

More durable

High Thermal Stability

Methylene Blue Adsorption
Green Compression Strength
Wet Tensile Strength

SUPER-BOND Bentonite

Bentonite origin of India
  • The SUPER-BOND Bentonite offered by GritSablare is extracted from carefully selected clays with high montmorillonite content in India, with superior mechanical and compressive strength.
  • Highest green compression strength
  • High swelling/wet tensile strength
  • Develops sharp, strong mould in foundry industry
  • Good bond development and easy mulling
  • High swelling capacity for drill fluids
  • Wide moisture tolerance


Montmorillonite Clays
Montmorillonite Clays
  • High quality sodium bentonite: mineral clay resulted from the alteration of volcanic ashes, with rich montmorillonite content. Bentonite is a soft and durable clay, with a greasy aspect. The colour varies depending on the natural pigments it contains, from white to gray, with pink and cream variations;
  • The outstanding properties of the bentonite recommend this product to be an extremely useful material in many industries:
    • It increase the tensile strength and permeability of the molding sands, in foundry industry;
    • Ideal for the preparation and conditioning of drilling fluids (due to its thixotropic features and high suspension stability);
    • Groundwater barrier for drilling wells and water sealing for underground constructions;
    • Oil and oil derivates refinery (due to its high adsorption and absorption capacity).

Bentonite Application

Binder in moulding sands in foundry industry
Casting defects: open holes and blowholes
Casting defects: open holes and blowholes
Casting defects: porosity
Casting defects: porosity
Casting defects: scabbing
Casting defects: scabbing
Casting defects: rough surface
Casting defects: rough surface

Sodium bentonite is one of the most commonly used foundry-sand binder in iron and steel foundries.

  • High Swelling and Wet Tensile strength helps for exceptional resistance to expansion and permeability of moulding sands to avoid casting defects like porosity, blow holes and open holes, scabbing, rough surface.
  • Unlike other clays, bentonite is up to three times more efficient, when used as a foundry-sand bond in iron and steel foundries, which leads to a reduction of the additive in the furnace in order to obtain the same tensile strength and permeability of the mould.
  • Our Bentonite has characteristics of smooth, quick & uniform dispersal during dry mixing of sand mix which reduces binder addition & Sand Mixing/ Mulling Time.
Drilling fluids

Sodium bentonite is a major component for the drilling fluids in oil and gas industry.

  • It is used in drilling for the preparation and conditioning of drilling fluids. Bentonite is the most used material to increase the viscosity of the drilling fluid.
  • Bentonite is a thixotropic material, which allows the water-bentonite mixture to take on the characteristics of a gel when in resting state, and to become liquid again when the mixture is stirred, the gel being reversible.
  • The water-bentonite mixture in gel state allow the isolation of the drilling fluid in the well, ensuring the vertical stability of the trench, preventing it from collapsing.
Filter cake from slurry
Filter cake from slurry
Drilling wells
Drilling wells
Sodium Bentonite - Animal Feed Additive

Bentonite is being currently authorized as animal feed additives for Mycotoxins binder and for anticaking agent. Our selected premium Sodium Bentonite has a high Montmorillonite content and also a very high adsorbent capacity due to the presence of negative charges on the surface. Owing to this high adsorbent property, it eliminate Mycotoxins such as aflatoxin B1 and other substances which is very harmful for various animal species.

Besides this it is also beneficial for improvement of cattle, adsorption of organic contamination and improvement in the strength property of feed pellets. The physical and chemical structure of Bentonite facilitates the superficial absorption of proteins and amino acids.

  • Protein Binder: Bentonite protect the proteins and amino acids from microbial fermentation occurring in the rumen. It also can improve feed efficiency, milk production, wool growth and egg production.
  • Applicable for all Species Feed Additive: Bentonite is an effective feed additive for poultry, pigs, dairy cattle, horses, sheep and deer.
  • Environment Friendly: Bentonite is ubiquitous soil components, and their use in animal production is not expected to adversely affect the environment.
  • Dioxin Free: Dioxins are highly toxic and can cause cancer, reproductive and developmental problems, damage to the immune system once entered into animal body. We are taking all precautions while making animal feed additive grade to avoid Dioxin.

Physical and Chemical Properties

Physical Properties: PREMIUM Bentonite Argentina SUPER-BOND Bentonite India
Green Compression Strength: 13,0 min (N/cm2) 1100 la 1800 gram/cm2
Wet Tensile Strength: 0,31 min (N/cm2) > 0.35 la < 0.50 N/cm2
Methylene Blue Adsorption original (mL /0,5g): 56 min. -
Methylene Blue Adsorption, 550 o.C (mL /0,5g): 42 min. -
Methylen Blue Value (MBV): - 410 Min
Thermal Stability (%): 75 min. -
Swelling: 40 min. (mL/2,0g) 33 - 36 (2 gm / 100 ml)
Moisture (%): 08 - 12 12% Max
Retention #200 (%): 08 max -
Compactability (%): 47 +/- 1 -
pH: 6,6 - 7,8 8 - 10,5
Gelling Time at 10% (min): - 0 - 60 seconds
Gel Formation Index: - 90 - 100
Loss on Ignition (LOI): - < 10 %
Chemical Composition (%): PREMIUM Bentonite Argentina SUPER-BOND Bentonite India
SiO2: 57,8 45 - 55
Al2O3: 18 14 - 19
Fe2O3: 4,41 11 - 19
TiO2: 0,22 0,8 - 4
CaO: 0,99 0,7 - 2,4
MgO: 2,78 1,9 - 3,6
Na2O: 2,91 1,6 - 3,2
K2O: 0,39 0,12 - 0,3
MnO: <0,10 -
P.F.: 11,8 -
Ecological Product
All tests made on the bentonite categorised the product as ecological. All the analysed parameters scored below the toxicity levels imposed by the legislation.

Other Uses:

Bentonite for Pool Foundation & Grounding
Pool Foundation & Grounding
Sodium Bentonite has superior swelling capacity compared to other bentonite products on the market – our product adsorbs up to nearly 16 times its weight in water, and after complete saturation, it occupies a volume between 12 to 15 times higher than its original volume – being an ideal product for soil sealing as it is swelling within the interstices of the soil with which is mixed, creating a barrier of very low permeability. Swelling ability is enhanced due the small particle size of the product, allowing bentonite to plug even the smallest of soil voids. Therefore, a soil bentonite mixture creates a highly durable barrier for long periods of time.

Groundwater barrier
Used for waterproofing for grounded tanks, tunnels and ditches, groundwater barrier and isolation of water floods using a mix of cement, sand and bentonite.

Electrical grounding sealing
Electrical grounding sealing
Due to its thixotropic and waterproofing properties, bentonite is successfully used for electrical grounding sealing.

Absorbent for cat litter
Absorbent for cat litter
Bentonite is natural clay and an ecological material that becomes solid in the presence of moisture, absorbing the odour and surrounding the faeces, being an ideal material for cat litter.
PREMIUM Bentonite or SUPER-BOND Bentonite. What do you choose?


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