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Kaolin/China Clay

  • Overview
  • Table of Content

Kaolin, also known as China clay, is a versatile clay mineral with several key highlights and a wide range of uses across various industries Kaolin, or China clay, offers a wide array of applications across industries due to its high brightness, whiteness, and unique properties. Its versatility as a coating pigment, filler, reinforcing agent, and processing aid makes it a valuable component in numerous products and processes.

Here are some important aspects and common applications of kaolin:

Uses

Paper Industry
Ceramics and Porcelain
Paints and Coatings
Plastics and Rubber
Personal Care Products
PharmaceuticalsPolishes and Abrasives
Agrochemicals and Fertilizers
Environmental Applications

Specifications

Parameters Findings
Appearance/Colour Fine, Off white free flowing powder, free from visual contamination
Powder size 200-400 mesh- 1 to 2% residue
Powder density 2.6 gm/cm3
% Reflectance
% L Value
% A Value
% B Value
78 – 84
84 – 87
0.50
7 - 8
Loss on drying /moisture 3.0% Max
pH 5-6
% Loss on ignition 12.50 to 14.50
Solubility in HCL 5.0% Max
Asbestiform mineral 0
% SiO2 45-52
% Al2O3 32-36
% Fe2O3 Below 1
Odour Odourless