GIMBOND® is natural high swelling sodium based bentonite of exceptional purity. It is mined and processed in North West part of India. GIMBOND® is sodium activated bentonite designed to meet the requirements of pelletization industries. GIMBOND® is used as green and dry ore binder for all kind of pellets. GIMBOND® offers superior performance as per ASTM Specifications. GIMBOND® contains more than 70% active montmorillonite clay content. GIMBOND® because of its purity and thermal durability perform at its best. GIMBOND® Bentonite does not contain any fermentable product and is environmentally acceptable.



  • Large surface area
  • High swelling and Bonding properties
  • Fast swelling with excellent thermal stability
  • High shear and compressive strength
  • High Water Absorption
  • Excellent gel strength properties.
  • Good dry strength


  • GIMBOND® provides shape and strength to pellets.
  • Quick development of Bonding properties.
  • Quick Formation of Pallets.
  • Best Green Strength Properties.
  • Minimum addition in silica content
  • Good Dry Strength Properties.
  • Minimum Rejections in process.
  • Products specification as per customer specific requirement can be designed to achieve best performance against each end use.

Typical Properties of Various Grades of GIMBOND® AS PER ASTM SPECIFICATIONS

Properties Unit GIMBOND® – IOP Lumps GIMBOND® – IOP Powder
Free Swelling Value cc 28 minimum 28 minimum
Methylene Blue Absorption Mg/gm 350 minimum 350 minimum
Plate Water Absorption ASTM % 600 minimum 600 minimum
Powder Fineness Through 75 Micron % 70 minimum 70 minimum
18” Green Drop Number 8 minimum 8 minimum
Moisture Content % 15 max 13 max
PH 9 minimum 9 minimum
Blain Index Number Mt2/gm 2500 minimum
Lumps Size ( 0 to 40 mm) % 90 minimum

Recommended Applications

  • Iron Ore Pelletizing
  • Suitable for Other Metal Ore Palletisation.

Delivery and Storage

  • In 25 & 50 kg small bags
  • Or Loose Lumps
  • In 1 & 1.25 tonne big-bags
  • Store in dry/aerated space


  • Mix with good quality water
  • Use high shear mixers.
  • Insure proper mixing with ore.


The listed technical values and product specifications are indicative and relied on tests performed under laboratory conditions, using distilled water. The  information above should not be construed as a promise or guarantee of the product’s properties, which is derived from natural materials whose initial properties can vary depending on several factors. Mixing water quality and purity also significantly affects the slurry’s properties and performance. The information above does not release customers from any obligation to perform their own tests and it is  recommended that any decisions regarding the use of our products is based on the results of such tests.