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Polywhite B
Polywhite B Chinaclay, commonly known as Chinaclay, is a naturally occurring, fine white clay mineral primarily composed of kaolinite. It is highly valued for its purity, whiteness, and fine particle size, making it suitable for a variety of industrial applications. Polywhite B improves texture, opacity, and durability in products and is widely used in ceramics, paper, paints, and rubber industries.
Polywhite B (Chinaclay)
Primary Uses
- Ceramics Industry
- Used as a key raw material in porcelain and fine china production.
- Enhances whiteness, strength, and plasticity of ceramic products.
Improves thermal stability and firing characteristics.
- Paper Industry
- Acts as a coating and filler to improve paper brightness, smoothness, and printability.
- Enhances opacity and reduces ink absorbency.
- Paints and Coatings
- Used as an extender and pigment in paints to improve whiteness and consistency.
- Increases durability and resistance to abrasion.
- Rubber Industry
- Functions as a reinforcing filler to improve tensile strength and wear resistance.
- Enhances processing characteristics and reduces production costs.
Secondary Uses
- Cosmetics
- Used as an absorbent and texturizer in powders and facial masks.
- Provides a smooth, matte finish.
- Plastic and Polymer Industry
- Used as a filler to improve mechanical properties and reduce material costs.
- Agriculture
- Employed as a carrier for pesticides and fertilizers due to its inert nature.
- Adhesives and Sealants
- Improves viscosity and texture.
- Improves viscosity and texture.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Kaolinite (Al2Si2O5(OH)4)
- Common/Trade Name: Polywhite B, Chinaclay
- CAS Number: 1332-58-7
- HS Code: 2507.00.00 (Kaolin and other kaolinic clays)
- Synonyms: China clay, Kaolin
2. Physical & Chemical Properties
- Physical State: Fine powder
- Color: Bright white
- Odor: Odorless
- Particle Size: Generally less than 2 microns
- Specific Gravity: 2.6–2.65
- Chemical Composition: Primarily Al₂O₃·2SiO₂·2H₂O (kaolinite)
- pH: 4.5–6 (in aqueous suspension)
- Moisture Content: Typically <1%
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Toxicity: Non-toxic; inert material
- Dust Hazard: May cause respiratory irritation if inhaled in high concentrations
- Carcinogenicity: Not classified as carcinogenic
4. Storage & Handling Attributes
- Storage Conditions: Store in a dry, cool place away from moisture
- Container Type: Supplied in bags or bulk containers
- Shelf Life: Indefinite if stored properly
- Handling Precautions: Use dust control measures; wear masks in dusty environments
5. Regulatory & Compliance Attributes
- Complies with applicable industrial standards for kaolin clay
- Approved for use in cosmetics and food contact applications (subject to purity)
6. Environmental & Health Impact
- Biodegradability: Naturally occurring mineral, inert and non-biodegradable
- Ecotoxicity: Low environmental impact
- Bioaccumulation: Not applicable
- Carcinogenicity/Mutagenicity: Not hazardous
Safety Handling Precautions
- PPE Required: Dust mask, gloves, and eye protection when handling powder
- Handling Guidelines: Avoid inhalation of dust; use ventilation and dust extraction
- Storage Measures: Keep containers sealed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if respiratory irritation occurs
- Skin Contact: Wash with soap and water; no adverse effects expected
- Eye Contact: Rinse thoroughly with water; seek medical attention if irritation persists
- Ingestion: Not toxic; rinse mouth if ingested accidentally
Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Use standard firefighting procedures for surrounding materials
- Special Precautions: None specific to material
- Hazardous Combustion Products: None
Related products
Calcined Kaolin
Calcined Kaolin is a fine, white to off-white powder produced by heating natural kaolin clay to high temperatures (typically between 600°C and 900°C) in a controlled process called calcination. This thermal treatment removes chemically bound water, changes the crystalline structure, and enhances the physical and chemical properties of kaolin. The resulting product exhibits increased brightness, hardness, and opacity, making it highly valuable as a functional additive and filler in numerous industrial applications. Calcined Kaolin is widely used in coatings, ceramics, plastics, rubber, paper, and paint industries to improve durability, brightness, and performance.
Calcium Carbonate Heavy
Calcium Carbonate Heavy is a high-density, finely ground, natural mineral primarily composed of calcium carbonate (CaCO₃). Known for its higher bulk density compared to regular grades, this filler is widely used in applications requiring enhanced weight, opacity, and strength. It is commonly employed as a functional filler and extender in industries such as plastics, paints, coatings, adhesives, rubber, paper, and construction materials. Its inert nature, whiteness, and particle size distribution make it suitable for improving mechanical properties and surface finish, while also offering cost efficiency by replacing more expensive raw materials.
Calcium Carbonate Light
Calcium Carbonate Light is a finely ground, low bulk density natural mineral composed primarily of calcium carbonate (CaCO₃). Compared to standard grades, it has a lower density and larger particle size distribution, making it suitable for applications where light weight and high brightness are important. This form is extensively used as a filler and extender in industries such as plastics, paints, rubber, paper, adhesives, and construction materials to improve opacity, brightness, and texture, while maintaining low weight and cost efficiency. Its chemical inertness and whiteness provide functional and aesthetic advantages across formulations.
Filler WTD
Filler WTD is a versatile, finely processed powdered filler primarily used in a wide range of industrial applications including paints, coatings, plastics, adhesives, sealants, rubber compounds, and construction materials. It is engineered to improve product performance by enhancing mechanical properties, increasing volume, reducing cost, and improving processing characteristics. Filler WTD typically exhibits excellent dispersibility, consistent particle size distribution, and good compatibility with various resin systems and binders. Its primary role is to act as an inert extender or reinforcing agent, providing bulk and stability while maintaining or enhancing the physical and chemical properties of the final formulation.
Kaolin
Kaolin is a naturally occurring, fine white clay mineral primarily composed of kaolinite. It features a soft, powdery texture and excellent absorbency. Kaolin is widely used across ceramics, paper, rubber, paint, and cosmetics industries due to its chemical inertness, whiteness, and plasticity. It acts as a filler, coating agent, and extender to enhance product quality and performance.
PP Raffia RH03( Wooven)
PP Raffia RH03( Wooven) is a woven polypropylene fabric made from homopolymer polypropylene resin, designed for high strength, durability, and excellent dimensional stability. It is widely used in the manufacturing of woven sacks, bags, and other flexible packaging solutions. The woven structure enhances tear resistance and load-bearing capacity, making it suitable for industrial and agricultural packaging applications.
Sodium Alumina Silicate
Sodium Alumina Silicate is an inorganic compound consisting of sodium, aluminum, and silicon oxides. It is typically found as a white, amorphous powder with excellent adsorption and ion-exchange properties. Commonly used as a detergent builder, water softener, and desiccant, sodium alumina silicate improves cleaning efficiency, controls water hardness, and aids moisture absorption. Its thermal stability and chemical inertness make it valuable across detergent manufacturing, water treatment, and various industrial processes.
Talcum Powder (Talc)
Talcum Powder is a naturally occurring mineral composed primarily of hydrated magnesium silicate. It is known for its softness, absorbency, and lubricating properties. Talc is widely used in cosmetic, pharmaceutical, industrial, and consumer products due to its ability to absorb moisture, improve texture, and provide a smooth, silky feel. The powder form allows easy dispersion and application across diverse sectors.
