Kaolin Powder Manufacturer and Supplier in India
Kaolin Exporter and Clay Supplier Across India
Kaolin, also known as China Clay, is a naturally occurring white clay mineral with the chemical formula Al2Si2O5(OH)4. It is classified as a hydrated aluminum silicate and is formed through the weathering of feldspar rocks over millions of years. Kaolin is widely valued across industries for its fine particle size, high brightness, chemical inertness, and excellent coating properties. It is used as a functional filler, coating pigment, and processing aid in a wide range of industrial applications.
HTMC Group is a leading Kaolin Manufacturer in India, supplying premium-grade kaolin clay to industries across the country and internationally. As trusted Kaolin Suppliers in India and a recognized Kaolin Exporter India, we process every batch through strict quality controls to deliver consistent purity, controlled particle size, and optimal performance for each specific application. Our state-of-the-art manufacturing facilities and technical expertise allow us to serve the ceramics, paper, paints, rubber, pharmaceuticals, and personal care sectors with reliable, high-quality kaolin products.
Enquire NowKaolin Manufacturing Process Overview
The production of kaolin at HTMC Group follows a precise, multi-step process designed to deliver uniform quality and high purity in every batch.
1. Mining and Raw Material Extraction
Kaolin deposits are located through geological surveys and site sampling. Once a viable deposit is confirmed, open-pit mining is carried out using heavy machinery to extract kaolin-rich clay from the earth. In some deposits, hydraulic mining techniques are used where high-pressure water washes kaolin into a slurry for collection and transport.
2. Blunging and Slurry Preparation
The mined kaolin clay is transported to our processing facility, where it is blended with water to form a slurry. This process, called blunging, uses mechanical agitation to break down kaolin lumps into fine, uniformly dispersed particles. The slurry is then passed through screens to remove coarse impurities such as sand, quartz, and organic materials.
3. Classification and Separation
The kaolin slurry undergoes classification using hydrocyclones or centrifuges to separate fine particles from coarser ones. Fine kaolin particles are refined further while coarser material is either recycled or discarded. Magnetic separators may also be used at this stage to remove iron and other metallic impurities that could affect product whiteness and purity.
4. Filtration and Dewatering
The purified kaolin slurry is dewatered using rotary vacuum filters or filter presses to reduce moisture content. The resulting kaolin cake is processed further to reach the desired moisture level before drying.
5. Drying
The kaolin cake is dried using spray drying or flash drying systems to produce a fine, free-flowing powder. Drying conditions are carefully controlled to preserve the natural properties of the kaolin and prevent any structural or chemical change in the product.
6. Milling, Quality Control and Packaging
The dried kaolin is milled to the required particle size and mesh specification. Each batch undergoes strict quality testing including whiteness, particle size distribution, moisture content, pH, and chemical composition before dispatch. The finished product is packed in moisture-resistant bags and stored under clean, dry conditions for safe distribution.
Applications and Uses of Kaolin
Ceramics and Sanitaryware
Kaolin is a primary raw material in the production of ceramic tiles, sanitaryware, tableware, and electrical porcelain. It contributes to whiteness, plasticity during forming, and mechanical strength in the fired product.
Paper and Packaging
As a Kaolin Clay Supplier to the paper industry, we provide kaolin that is used as a coating pigment and filler. It improves brightness, opacity, printability, and smoothness in coated paper and paperboard.
Paints and Coatings
Kaolin serves as an extender pigment in paints and surface coatings. It improves coverage, controls gloss, enhances film strength, and reduces the requirement for more expensive pigments like titanium dioxide.
Rubber and Plastics
As a functional filler in rubber compounds and plastic formulations, kaolin improves mechanical properties, dimensional stability, and processing characteristics. It is used in cable insulation, automotive parts, and industrial rubber goods.
Pharmaceuticals
Pharmaceutical-grade kaolin is used as an excipient in tablet formulations and as an active ingredient in anti-diarrheal preparations. Its high purity and chemical inertness make it suitable for internal and external medicinal use.
Cosmetics and Personal Care
Kaolin powder is widely used in face masks, cleansers, foundations, and body powders. It absorbs excess oil, detoxifies the skin, and provides a smooth, soft texture in cosmetic formulations.
Fiberglass
Kaolin is a key raw material in the production of fiberglass, where it contributes to the chemical composition of the glass formulation and improves thermal and mechanical performance.
Adhesives and Sealants
Kaolin acts as a functional filler in adhesive and sealant formulations, improving viscosity control, adhesion, and dimensional stability of the final product.
Technical Specifications of Kaolin
| Parameter | Typical Range / Value | Description |
|---|---|---|
| Appearance | White to off-white powder | Indicates purity and mineral brightness |
| Whiteness / Brightness | 80 to 92% | Key parameter for paper and paint applications |
| Moisture Content | 1.0 to 2.0% | Affects flowability and shelf life |
| pH (10% aqueous suspension) | 4.5 to 7.5 | Ensures compatibility with formulations |
| Oil Absorption | 30 to 50 g/100g | Relevant for paint and rubber applications |
| SiO2 Content | 44 to 48% | Core chemical composition parameter |
| Al2O3 Content | 36 to 40% | Indicates kaolin purity |
| Fe2O3 Content | Less than 1.0% | Controls whiteness and colour |
| Particle Size (D50) | 1 to 10 microns (grade-dependent) | Determines application suitability |
| Specific Gravity | 2.58 to 2.63 g/cc | Physical handling parameter |
| Bulk Density | 0.4 to 0.6 g/cm3 | Packaging and logistics consideration |
| Loss on Ignition | 13 to 14% | Measures bound water and organic content |
Product Packing Details
HTMC Group provides kaolin powder in safe, durable packaging to maintain product quality throughout storage and transit.
- Package Sizes: 25 kg / 50 kg bags
- Package Type: Multi-layer paper bags with inner polyethylene liner
- Bulk Supply: Available in jumbo bags and custom packaging on request
- All packaging is moisture-resistant and clearly labeled with product grade, batch number, and manufacturing details.
Safe Handling and Storage
To maintain the purity and performance of Kaolin Clay, store it in a clean, dry, and well-ventilated area away from direct sunlight, heat, and moisture. Ensure the packaging is securely sealed after each use to prevent contamination and moisture absorption. When handling kaolin powder, wear appropriate personal protective equipment (PPE), including a dust mask, gloves, and safety goggles, to minimize exposure to airborne particles. For maximum shelf life, keep the product at temperatures below 30°C under dry storage conditions. Avoid contact with strong acids, alkalis, or other reactive chemicals during storage and processing to preserve product quality.
Other Industries We Cater
Cables and Wires
Textile Industry
Pharmaceuticals
Animal Feed
Fiberglass
Paper and Pulp
Rubber Industry
Agriculture
Why HTMC Group Is a Trusted Kaolin Powder Manufacturer
HTMC Group has built a strong reputation as one of the most reliable Kaolin Powder Manufacturers and Kaolin Producers in India by consistently delivering products that meet the quality, purity, and performance specifications demanded by industries across the country and globally.
As experienced Kaolin Manufacturers, we maintain strict process controls at every stage from raw material selection to final packaging. Our manufacturing facilities operate under ISO-certified quality management systems, and each batch is tested against defined specifications before it leaves our plant. We offer multiple grades of kaolin tailored to the specific requirements of ceramics, paper, paints, rubber, pharmaceuticals, and personal care applications.
As a recognized Kaolin Exporter India, HTMC Group supplies kaolin clay to buyers across Asia, the Middle East, Africa, and Europe. Our logistics infrastructure supports reliable, on-time delivery to both domestic and international customers, with documentation and compliance support for all export requirements.
Our technical team works closely with customers to identify the right kaolin grade for their application, provide processing guidance, and support new product development. Whether you need a standard grade for bulk industrial use or a specialized grade for a high-performance application, HTMC Group delivers with consistency and commitment.
Frequently Asked Questions
Kaolin is a naturally occurring white clay mineral scientifically known as hydrated aluminum silicate, with the chemical formula Al2Si2O5(OH)4. It is formed through the weathering of feldspar rocks and is characterized by its fine particle size, high brightness, and chemical inertness. It is also commonly referred to as China Clay in industrial applications.
As leading Kaolin Suppliers in India, HTMC Group supplies kaolin clay to the ceramics, paper and packaging, paints and coatings, rubber and plastics, pharmaceuticals, personal care, fiberglass, and adhesives industries. We offer specific grades formulated for the requirements of each application sector.
Hydrous kaolin retains its naturally bound water molecule and is used primarily in paper, paint, rubber, and ceramics for its plasticity and coating properties. Calcined kaolin is produced by heating hydrous kaolin to high temperatures to remove the bound water, resulting in improved whiteness, higher brightness, and enhanced opacity. HTMC Group manufactures both grades.
Yes. HTMC Group is an established Kaolin Exporter India with an active export presence across Asia, the Middle East, Africa, and Europe. We provide complete export documentation, compliance support, and reliable logistics for all international orders. Custom packaging and bulk supply options are available for export buyers.
HTMC Group operates under ISO-certified quality management systems and holds multiple internationally recognized certifications including ISO, DUNS, FSSAI, BRC, Halal, FDA, Exipact, Kosher, and Star Export House recognition. Each batch of kaolin undergoes rigorous quality testing before dispatch to ensure it meets the specifications agreed with the customer.
Powder mesh available
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Packing Available
25kg Packing Bag
50kg Packing Bag
500/100kg Jumbo Packing Bag
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