Industrial Applications

Kaolin for Paints

Improving opacity, reducing TiO2 costs, and enhancing durability.

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Kaolin for Paints

In the paint industry, Titanium Dioxide (TiO2) is the most expensive white pigment. If TiO2 particles crowd together (crowding effect), their light-scattering efficiency drops, wasting money.

Kaolin acts as a superior TiO2 Extender. Its fine, plate-like particles slot in between the TiO2 pigments. This "Spacing Effect" optimizes the distance between pigments, maximizing opacity (hiding power) while allowing you to use less TiO2.

  • Reduce TiO2 usage by 10-20%
  • Improve Scrub Resistance & durability
  • Enhance flow and leveling properties

The TiO2 Spacing Effect

No Kaolin (TiO2 Crowding) Weak Reflection With Kaolin (Optimal Spacing) High Opacity

Kaolin platelets act as spacers to maximize pigment efficiency

Performance Characteristics

High Opacity

Ensures an opaque paint film that effectively covers the underlying surface.

2000+ Scrubs

Reinforces the paint film, making it resistant to washing and abrasion.

Cost Savings

Replace 10-20% of expensive Titanium Dioxide (TiO₂) without compromising whiteness.

Recommended Grades

Grades engineered for paint and coatings formulations — extending TiO₂, improving coverage, and enhancing scrub resistance.

UT-WHITE High Brightness Kaolin

UT-WHITE

An economical extender grade that partially replaces costly TiO₂ without sacrificing hiding power. Its platelet particle shape helps build a compact film layer, improving durability and reducing raw material costs in architectural paints.

SiO272.2%
Al2O313.7%
Whiteness96.6%
pH Value8.0
Oil Adsorption (g/g)0.468
Median Size (D50)4.571 μm
Particle Size400-1200 Mesh
Download Spec Sheet
UT-WASH Precision Kaolin

UT-WASH

A fine, high-brightness washed grade for premium interior and exterior coatings. Its consistent particle size distribution produces a smooth paint film with excellent sheen uniformity and enhanced scrub resistance.

SiO267.6%
Al2O316.8%
Whiteness94.1%
pH Value7.6
Oil Adsorption (g/g)0.511
Median Size (D50)4.233 μm
Particle Size600-1200 Mesh
Download Spec Sheet
UT-ULTRA Premium Calcined Kaolin

UT-ULTRA

Our upcoming calcined grade with maximised opacity — the ideal functional TiO₂ extender for high-end specialty coatings, industrial primers, and heat-resistant paints demanding near-zero metallic impurities.

ProcessFull Calcination
Target WhitenessExtremely High
Target QualityMedical Grade Sterile
Impurity LevelNear Zero
Primary UseSpecialty & Industrial Coatings
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Factory direct pricing for local and international orders.

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sales@darson.co.th
Nakhon Pathom, Thailand
Darson