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

KaMin POLYFIL HG90 Kaolin

KaMin POLYFIL HG90 Kaolin is a high-purity, ultra-fine calcined kaolin from the KaMin POLYFIL series, engineered for enhanced rheology control and brightness in coatings, plastics, and adhesives. Its narrow particle distribution and low abrasivity improve dispersion, opacity, and surface smoothness while maintaining low viscosity. Ideal for demanding industrial applications requiring consistent performance and regulatory compliance.
  • kamin polyfil hg90 kaolin_465445ca
  • kamin polyfil hg90 kaolin_465445ca

Features Of KaMin POLYFIL HG90 Kaolin

  1. Highly refined, low-iron, platelet-shaped kaolin for superior brightness and whiteness.

  2. Consistent particle size distribution optimized for enhanced suspension stability in liquid systems.

  3. Low abrasivity and high purity—ideal for applications requiring minimal equipment wear and stringent contamination control.

  4. Excellent rheological modifier with natural thixotropic behavior in water-based formulations.

  5. High surface area and cation exchange capacity supporting strong pigment interaction and film integrity.

Typical Applications Of KaMin POLYFIL HG90 Kaolin

  1. Water-based architectural and industrial coatings (e.g., flat/matte interior paints).

  2. High-performance printing inks—especially lithographic and flexographic formulations.

  3. Plastic masterbatches requiring optical clarity, dimensional stability, and melt-processability.

  4. Adhesives and sealants where controlled viscosity and filler reinforcement are critical.

  5. Specialty rubber compounds seeking improved tensile strength and surface finish.

Specifications Of KaMin POLYFIL HG90 Kaolin

Chemical TypeHydrated aluminum silicate (Kaolinite)
Product FormFine, free-flowing dry powder
AppearanceWhite to off-white, odorless powder
Brightness (GE Scale)≥ 90.0
Particle Size (D50, µm)1.8 – 2.2
Loss on Ignition (LOI, %)12.5 – 13.5
pH (10% slurry)6.0 – 7.5
Moisture Content (% w/w)≤ 0.5


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