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

American Colloid Company VOLCLAY HPM 20 Sodium bentonite thickener

American Colloid Company VOLCLAY HPM 20 is a high-performance sodium bentonite thickener engineered for demanding drilling fluid and industrial suspension applications. It delivers superior yield value, rapid hydration, and exceptional rheological control in water-based systems. Ideal for oilfield muds, foundry binders, and environmental barrier slurries, this premium-grade bentonite ensures consistent viscosity and stability under variable conditions.
  • american colloid company volclay hpm 20 sodium bentonite thickener_0b4bd344
  • american colloid company volclay hpm 20 sodium bentonite thickener_0b4bd344

Features Of American Colloid Company VOLCLAY HPM 20 Sodium bentonite thickener

  1. High-yield sodium bentonite with exceptional colloidal dispersion and suspension stability in aqueous systems.

  2. Optimized particle size distribution for rapid hydration and consistent rheological performance.

  3. Low soluble salt content, minimizing interference in sensitive formulations such as water-based coatings and adhesives.

  4. Consistent batch-to-batch quality ensured by American Colloid’s proprietary purification and activation process.

  5. Non-toxic, environmentally compatible thickener compliant with major industrial safety and handling standards.

Typical Applications Of American Colloid Company VOLCLAY HPM 20 Sodium bentonite thickener

  1. Water-based architectural and industrial coatings requiring sag resistance and anti-settling properties.

  2. Drilling mud additives for low-solids, high-viscosity fluid systems in geotechnical and environmental drilling.

  3. Foundry mold binders and core coatings to enhance green strength and surface finish.

  4. Grouting and soil stabilization slurries where controlled viscosity and thixotropic recovery are critical.

  5. Adhesives and sealants formulations needing pH-stable, non-ionic thickening without gelation risk.

Specifications Of American Colloid Company VOLCLAY HPM 20 Sodium bentonite thickener

Chemical TypeSodium bentonite (montmorillonite clay)
Product FormFree-flowing fine powder
AppearanceCreamy white to light tan, odorless powder
Moisture Content (max)10.0 wt%
Loss on Ignition (LOI)12–15 wt%
pH of 2% Aqueous Slurry8.5–10.0
Particle Size (D90)≤ 45 µm
Key FeaturesHigh swelling capacity, excellent thixotropy, low abrasivity


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