The use of a particular mineral used as a pigment and extender in a paint formulation depends on the physical properties of the mineral. These include Brightness, Particle Size and Shape, Divisibility, oil absorption, Viscosity and Resistance to Chemicals, Heat and Moisture. The Most Important of these properties are summarized below:
Brightness : Gloss Mainly is basis of Brightness. Oil Adsorption (Controls the filler loading) Particle Size Distribution (Controls Packing Density, Abrasion resistance and Spreading Characteristics of the paint) Viscosity (Controls the Variability, Stability & Setting Resistance of the Paint)
Kaolin is one of the most indispensable fillers in the Paint Industry. The Industrial Kaolin affects the quality and Performance of the Paint Significantly while it also reduces the cost of formulation. It also has Several Other Advantages like Improved Film Formation, Rapid Collapse Prevention, Increased weather Resistance, and also consequently reducing the rate of passage of moisture. It also gives a high gloss. Similarly, Kaolin is an important part of the coatings industry as well. In the case of Architectural Coatings, Kaolin Offers increased opacity and tint Strength, Stain and Scrub Resistance, Improved pigment suspension, sheen control and improved holdout.
Bhumi Industries has set up the modern plant for beneficiation of kaolin. The different grades of Hydrous, Spray dried & Calcined kaolin are manufactured. Our Kaolin is used by Paint, Paper, Rubber, Fibre Glass Industry etc..