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Kaolin Powder
Industrial White & Gray/Creamy Grades

Kaolin Powder

Industrial kaolin supplied in white HK1 and gray/creamy HK2 grades, selected for whiteness, brightness, color, particle-size distribution and low hardness. Typical applications include paints and coatings, plastics and PVC, paper, rubber, adhesives, dry mixes, ceramics and porcelain; flexible polyurethane foam use requires grade approval and formulation testing.

Form
Powder
Purity
SiO₂ 50% / Al₂O₃ 31.2%
Packaging
25 kg / jumbo bags
MOQ
On request
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Overview

Industrial kaolin supplied in white HK1 and gray/creamy HK2 grades, selected for whiteness, brightness, color, particle-size distribution and low hardness. Typical applications include paints and coatings, plastics and PVC, paper, rubber, adhesives, dry mixes, ceramics and porcelain; flexible polyurethane foam use requires grade approval and formulation testing. Supplied with consistent chemistry and particle size distribution to support demanding industrial specifications.

Grades & Forms

Available grades and forms for this product.

Grade / FormDescriptionTDSRFQ
HK1 – White Kaolin Super Extra SiO₂ 50% · Al₂O₃ 31.2% · Fe₂O₃ 0.90% · Brightness 95% min. · Whiteness 96% min. · White · D50 1.5±0.2µm · D98 5±1µm · Particles below 2µm 70±2% Request TDS RFQ
HK2 Extra – Gray/Creamy SiO₂ 50% · Al₂O₃ 31.2% · Fe₂O₃ 0.90% · Brightness 82% min. · Whiteness 83.5% min. · Gray · D50 5±0.2µm · D98 20±1µm · Particles below 2µm 28±2% Request TDS RFQ
Kaolin Super Nano (Agricultural) Agricultural kaolin product · 25 kg packaging. Per supplied packaging artwork: approx. 97% precipitated & treated aluminium silicate, approx. 3% conveying/sediment-control/adhesive materials. No formal technical data sheet supplied. RFQ
Wikaiah Agricultural kaolin crop-protection product. Per supplied packaging artwork: approx. 95% kaolin clay, approx. 5% inactive materials. No formal technical data sheet supplied — packaging artwork only. RFQ

Typical Specifications

Indicative only — confirmed values come from the technical sheet.

PropertyTypical value
SiO₂ 50%
Al₂O₃ 31.2%
Fe₂O₃ 0.90%
Hardness (Mohs) 2 – 2.5
Density 2.55 g/cm³
pH 8.9 Max.
Oil absorption 40±1 g/100g

Applications

Paints & Coatings Plastics & PVC Paper Industry Rubber Industry Ceramics & Porcelain Adhesives & Sealants Cosmetics & Personal Care Pharmaceuticals Agricultural Kaolin & Crop Protection
Technical Data Sheet
This product has a separate technical data sheet for every grade — request the one you need from the grades table above.

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On this page
Overview
Grades & Forms
Typical Specifications
Applications
Technical Data Sheet
Related Products
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