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1 Products availableLeading Manufacturer, Supplier & Retailer of Micronized China Clay Powder, China Clay Powder, White China Clay Powder and Calcined China Clay Powder.
Bestowed by vast industry experience, we are offer the best quality Micronized China Clay Powder. The Micronized China Clay Powder is processed using high quality China Clay.
China Clay is a naturally hydrated Aluminium Silicate. With the chemical composition Al2Si2O5 (OH)4. It is a layered silicate, with one tetrahedral sheet linked through oxygen atoms to one octahedral sheet of alumina octahedral. It has a low shrink-swell capacity and a low cation exchange capacity. Therefore China Clay does not swell on adding water & Alumina present in Clay do not form Isomorphous series with any other metallic compound. The Micronized China Clay Powder can withstand high temperature and also increases the strength of the material in which it is mixed.
Widely used in polymer applications, Micronized China Clay Powder contributes to the improvement in chemical resistance, electrical properties and reduction in water absorption. It lowers the crack tendency in the finished products, improves shock resistance and surface quality. It is one of the most abundantly available clay in the Earth's crust. A large variety of china clay is mined all over India. In orders to ensure that our clients receive a flawless range of products; these are tested on various parameters predefined by the industry.
Chemical Composition
Results of Analysis | Percent | |
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Silica | SiO2 | 43-49% |
Alumina | Al2O3 | 32-41% |
Ferric Oxide | Fe2O3 | Below 1.5 % |
Titanium Oxide | TiO2 | Below 1.5 % |
Manganese Oxide | MnO | Nil |
Magnesium oxide | MgO | Below 1 % |
Calcium Oxide | CaO | Below 1 % |
Sodium Oxide | Na2O | Below 1 % |
Potassium Oxide | K2O | Below 1 % |
Loss on ignition | LOI | 4 To 13 % |
Physical Properties | ||
Oil absorption | 29-41 % | |
Acid Insoluble matter | > 97 % | |
PH of 10% solution | > 8 | |
Specific gravity | 1.4 – 2.8 | |
Whiteness by reflection compared with MgO taken as 100 % | 77 – 96 % | |
Mesh Size | 300-2000 | |
Bulk density | 0.3 – 1.4 |
Applications
Paints | China Clay is used in wide varieties of paints like distemper, cement primer, wood primer, emulsion paint, texture coating, spray plaster, putties, fillers and undercoats. |
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Paper | It is used in varieties of papers, cardboards, hard boards and others |
Plastic | It is used as filler in combination with others to impart strength and smoothness. |
Electrical Industry | It is used for electrical insulation; high voltage insulation compounds electrical wires. |
Cosmetic & Soap |
China Clay is used in toothpaste, cosmetic and soap industry. |
Rubber | It is used as an extender and filler in rubber industries owing to its high plasticity. |
White China Clay Powder (KAOLIN) is a hydrated aluminium silicate crystalline mineral (kaolinite). Our White China Clay Powder characterized by its fine particle size, plate like or lamellar particle shape and chemical inertness. White China Clay Powder is used in the ceramics, paper, paint, plastics, rubber, adhesive, and chemicals industries. We offer White China Clay Powder in different mesh sizes and whiteness percentage.
Applications :
Properties
Alumina | 34 – 40 % |
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Specific Gravity | 1.7 – 2.7 |
Refractive Index | 2.1 – 2. 6 |
MOH Hardness | < 1.5 |
Moisture | 0.5-2% |
pH | 300 – 700 |
Mesh Size |
85 – 96 % |
Whiteness | - |
Calcined China Clay Powder is an anhydrous aluminium silicate produced by heating ultrafine natural kaolin to high temperatures in a kiln. The calcination process increases whiteness and hardness, improves electrical properties, and alters the size and shape of the kaolin particles.
Production :Calcination occurs in two steps.
Technical Specifications
Specific Gravity | 2.2 – 2.6 |
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Refractive Index | 1.56 |
MOH Hardness | 3 – 5 |
Moisture (max %) | 0.2 |
pH |
6-8 |
Al2O3 | 44 – 49 % |
L.O.I. |
0.4 – 0.7 |
Physical Properties | Excellent Opacity, Suspension Agent , Viscosity Enhancer , High Gloss, Enhances Paper Processing Efficiency , Offers more surface area, Scrub Resistance |