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

BASF ASP 809 Hydrous Kaolin

BASF ASP 809 Hydrous Kaolin is a high-purity, plate-like hydrous kaolin clay from BASF’s ASP series, engineered for superior brightness, controlled particle size distribution, and excellent suspension stability. Ideal for premium coatings, inks, and plastics, it enhances opacity, gloss, and rheology without compromising dispersibility or process efficiency.
  • basf asp 809 hydrous kaolin_a84b82f4
  • basf asp 809 hydrous kaolin_a84b82f4

Features Of BASF ASP 809 Hydrous Kaolin

  1. High brightness and consistent whiteness for enhanced product aesthetics in coatings and plastics.

  2. Fine particle size distribution with narrow PSD, enabling excellent dispersion and rheology control.

  3. Natural hydrous kaolin structure offering high surface area and optimal oil absorption for improved film formation.

  4. Low abrasivity and low conductivity, supporting safe handling and compatibility with sensitive polymer systems.

  5. Controlled pH and low soluble salt content, ensuring stability in water-based formulations and reduced corrosion risk.

Typical Applications Of BASF ASP 809 Hydrous Kaolin

  1. Water-based architectural and industrial coatings as a functional extender and matting agent.

  2. Plastic masterbatches—especially for PP and HDPE—where brightness and dimensional stability are critical.

  3. Printing inks requiring high-opacity, smooth ink film, and good pigment compatibility.

  4. Adhesives and sealants to improve viscosity build, sag resistance, and filler-matrix adhesion.

  5. Specialty paper coatings for improved printability, gloss uniformity, and surface smoothness.

Specifications Of BASF ASP 809 Hydrous Kaolin

Chemical TypeHydrous aluminum silicate (Kaolinite)
Product FormWhite aqueous slurry (approx. 75% solids)
AppearanceOff-white, homogeneous suspension
Primary ApplicationsCoatings, plastics, inks, adhesives, specialty papers
Key FeaturesHigh brightness, fine particle size, low abrasivity, excellent dispersibility
BenefitsEnhanced opacity, improved rheology control, reduced formulation viscosity, better film integrity
pH (10% slurry)6.5 – 7.5
Volatile Content (105 °C)~25% (as supplied in slurry form)


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