Organo Clays - Rheological Additive

Organo Clays - Rheological Additive

Organoclay is an organically modified phyllosilicate (Bentonite), derived from a naturally occurring clay mineral. The main component of Organoclay is bentonite, a chemically altered volcanic ash that consists primarily of the clay mineral montmorillonite. The bentonite in its natural state can absorb up to seven times its weight in water, after treatment can absorb only 5 to 10 percent of its weight in water, but 40 to 70 percent in oil, grease, and other sparingly-soluble, hydrophobic chlorinated hydrocarbons.

Organoclay can be used to remove oil from water, as a component in paint formulations or as a viscosifier for oil-based drilling fluids. It can be used in polymer chemistry as a nucleating agent.

This organo clay has important role in imparting rheology and mechanical stability in application of Paints  & Coating, adhesive and Sealants, Ceramics, Cosmetics.

The performance of cosmetics is enhanced by the use of ORGANOCLAY and they allow good colour retention and coverage for nail lacquers, lipsticks and eye shadows. They have been tested to be non-irritant for both skin and eye contact.


  • RIO-BENT 27 / 38
  • RIO-BENT 3452
  • RIO – BENT SD / SD 1 / SD 2
  • RIO BENT – EW – 70T / 90T

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