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Rows of levigated china clay cakes drying in the sun

Mahalaxmi China Clay

Washed and settled kaolin with grit removed, for higher whiteness and fine, uniform particles.

Overview

Levigation is the traditional way of refining kaolin with water. Crude clay is blunged into a slurry, sand and mica settle out, and the fine clay is carried into settling tanks, dewatered and dried into cakes.

The result is a cleaner, whiter and finer clay with low residue. Our sun-dried levigated cakes are then crushed and packed to suit your plant, from lumps to powder.

  • Low grit and residue
  • Improved whiteness
  • Fine, uniform particle size
  • Lumps or powder supply
Rows of levigated china clay cakes drying in the sun
Jumbo bag filling station with hopper and loader at sunset
Rows of filled jumbo bags of china clay at the Mahalaxmi China Clay stockyard

Technical data

Typical values vary by grade and lot. A certificate of analysis (COA) is shared with every quote and dispatch.

Available grades

  • Ceramic grade
  • Paint & coating grade
  • Paper & filler grade
  • Rubber & plastics grade

Packing

  • 1 ton jumbo bags
  • 50 kg HDPE bags
  • Loose bulk on request
Levigated China Clay specifications
ParameterTypical value
Al₂O₃On request (COA)
SiO₂On request (COA)
Fe₂O₃On request (COA)
TiO₂On request (COA)
Brightness / whitenessOn request (COA)
Residue on 325 meshOn request (COA)
MoistureOn request (COA)

Applications

01

Ceramic & sanitaryware

Clean, white-firing clay for bodies, glazes and engobes.

02

Paints & coatings

Extender that improves suspension, opacity and finish.

03

Paper

Filler and coating clay for brightness and printability.

04

Rubber & plastics

Reinforcing and economical filler for compounds.

Process

  1. 01

    Blunging into slurry

  2. 02

    Settling out sand & mica

  3. 03

    Fine-clay separation

  4. 04

    Dewatering

  5. 05

    Sun drying into cakes

  6. 06

    Crushing & packing

FAQ

What is the difference between crude and levigated china clay?

Crude clay is raw and unwashed. Levigated clay is washed in water so sand, mica and coarse particles settle out, giving a cleaner, whiter and finer product.

Do you supply levigated clay in powder form?

Yes. We supply dried cakes, crushed lumps or ground powder depending on your process.

Which industries use levigated china clay?

Ceramics, sanitaryware, paints, paper, rubber, plastics and adhesives.

Can you share a test report?

Yes. Every dispatch can be accompanied by a certificate of analysis. Ask us for the current typical values for your grade.

What packing options are available?

50 kg HDPE bags and 1 ton jumbo bags as standard. Custom bag printing can be discussed for regular orders.

Enquire

Share your grade and quantity. We'll reply with price, availability and a COA.

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