Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

American Colloid Company VOLCLAY Rheospan Sodium bentonite thickener

American Colloid Company VOLCLAY Rheospan Sodium bentonite thickener is a high-purity, naturally occurring sodium montmorillonite clay engineered for superior rheology control in water-based systems. It delivers rapid hydration, exceptional suspension stability, and thixotropic viscosity without requiring pH adjustment or dispersants—ideal for drilling fluids, grouts, and industrial coatings.
  • american colloid company volclay rheospan sodium bentonite thickener_2e547ab4
  • american colloid company volclay rheospan sodium bentonite thickener_2e547ab4

Features Of American Colloid Company VOLCLAY Rheospan Sodium bentonite thickener

  1. High-yield-value sodium bentonite delivering exceptional rheological control and suspension stability in aqueous systems.

  2. Consistent, batch-to-batch performance optimized for predictable thickening and viscosity build in industrial formulations.

  3. Excellent colloidal dispersion without requiring prolonged mixing or high-shear equipment.

  4. Natural mineral origin with NSF/ANSI 60 certification for potable water applications.

  5. Low soluble salt content minimizes interference with electrolytes and enhances compatibility in complex chemical environments.

Typical Applications Of American Colloid Company VOLCLAY Rheospan Sodium bentonite thickener

  1. Drilling fluids for water-well and geothermal borehole stabilization.

  2. Suspension aid in agricultural adjuvants and pesticide spray formulations.

  3. Viscosity modifier in non-aqueous and water-based foundry mold coatings.

  4. Thickener and anti-settling agent in cementitious grouts and soil nailing slurries.

  5. Stabilizer in specialty paints, architectural coatings, and fire-retardant intumescent systems.

Specifications Of American Colloid Company VOLCLAY Rheospan Sodium bentonite thickener

Chemical TypeSodium montmorillonite (natural sodium bentonite)
Product FormFree-flowing, fine granular powder
AppearanceCream to light tan granules
Primary ApplicationsDrilling fluids, suspensions, grouts, coatings, adjuvants
Key FeaturesHigh swelling capacity, thixotropic behavior, shear-thinning rheology
BenefitsImproved solids suspension, reduced settling, enhanced pumpability, natural origin
Regulatory StatusNSF/ANSI 60 certified for drinking water contact; REACH compliant
Storage RecommendationStore in cool, dry conditions; protect from moisture and direct sunlight


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