India, with its rich reserves of minerals, stands as a hub for various industries, and one such mineral making waves in the manufacturing sector is calcined kaolin. This refined form of kaolin has garnered attention for its diverse applications, and its production in India has reached new heights of excellence. In this blog, we delve into the world of calcined kaolin manufacturing in India, focusing on the process, applications, and the noteworthy contributions of industry leaders like 20 Microns.

2. ABOUT US
20 Microns – Leading Industrial Minerals & Speciality Chemicals Manufacturer &
Supplier in India
 We are 20 Microns Limited, the pioneers in the field of Industrial Minerals in India, bringing the
organized concept of Micronization and tapping various different Industrial Micronized and Sub-
Micronized Minerals under its portfolio. Since few years back, 20 Microns also delved into the world of
Specialty Minerals, Chemicals and Performance Additives catering to the niche segments and
formulations made through advanced and superior technology to serve our existing and new customer
base for diverse applications.
 With a devoted R&D and Product Application Centre, we are committed to continuously innovate and
offer a variety of products catering to numerous applications and formulations enhancing the product
performances and delivering high value added functional solutions to various industries.

3. CALCINED KAOLIN
 20 Microns is a trailblazer in calcination,
providing globally used fine particle Calcined
Kaolin in ceramics, coatings, plastics, paper,
construction, adhesives, rubber, and wire & cable
applications. Their extremely fine grades
enhance opacifying properties, gloss, hiding, and
brightness, reducing titanium consumption and
replacing synthetic aluminum silicate.
Innovations include Hydrophobic and Flash
Calcined Kaolins, offering sustainable solutions
for diverse industries like ceramics, paints,
coatings, textiles, cosmetics, paper, packaging,
pharmaceuticals, plastics, and rubber.

4. USES OF CALCINED KAOLIN
 Calcined kaolin, a derivative of the naturally
occurring mineral kaolinite, has found its way
into a myriad of industries due to its unique
properties and versatile applications. This refined
form of kaolin undergoes a high-temperature
process, resulting in improved physical and
chemical properties. The calcination process
transforms raw kaolin into a versatile material
that is employed in various sectors, ranging from
the paper and ceramics industry to construction
and agriculture.

5. PAPER INDUSTRY
 Calcined kaolin plays a crucial role in the paper
industry, where it is used as a coating material to
enhance paper quality. The fine particle size and
high brightness of calcined kaolin contribute to
improved printability, opacity, and smoothness
of paper surfaces. This makes it an essential
ingredient in coated paper products, including
glossy magazines, catalogs, and high-quality
printing paper.

6. CERAMIC INDUSTRY
In the ceramics industry, calcined kaolin is valued
for its unique combination of properties, such as
high plasticity, excellent whiteness, and low
impurity content. It is commonly used as a raw
material in the production of porcelain,
sanitaryware, and ceramic tiles. The addition of
calcined kaolin enhances the firing characteristics,
reduces shrinkage, and improves the overall quality
of the final ceramic products.

7. PAINT AND COATING
The paint and coatings industry also benefits
significantly from calcined kaolin. Its use as a
pigment extender and functional filler contributes
to improved durability, color retention, and
resistance to weathering. In water-based paints,
calcined kaolin acts as a rheology modifier,
preventing settling and improving the overall
stability of the formulation.

8. RUBBER AND PLASTIC
Calcined kaolin finds application in the rubber and
plastics industries due to its reinforcing properties.
When incorporated into rubber compounds, it
enhances tensile strength, tear resistance, and
abrasion resistance. In plastics, calcined kaolin is
used as a cost-effective filler to improve mechanical
properties and reduce shrinkage during the
molding process.

9. CONSTRUCTION MATERIAL
The construction industry utilizes calcined kaolin in
the production of cement and concrete. Its
pozzolanic properties contribute to increased
strength and durability of concrete structures.
Additionally, calcined kaolin is employed as a
functional filler in the production of lightweight
aggregates and construction materials, providing
both economic and performance benefits

10. AGRICULTURE
Calcined kaolin has found applications in
agriculture, particularly in the formulation of
agrochemicals. It serves as an inert carrier for
pesticides and herbicides, improving their
dispersion and adherence to plant surfaces. The use
of calcined kaolin in agriculture helps optimize the
effectiveness of agrochemical applications while
minimizing environmental impact.

11. CONTACT US
Visit Us:
enquiry@20microns.com
347, GIDC Industrial Estate
Waghodia - 391760,
Dist Vadodara, Gujarat - India