High Purity Kaolin Clay: Natural Mineral Raw Material for Global Industrial and Daily Chemical Applications

      High purity kaolin clay is a refined natural mineral product processed from high-grade kaolin raw ore through advanced physical purification and deep processing technology. Originating from well-known ore deposits with low impurity content, it is formed by long-term geological evolution, with a unique crystal structure and excellent physical and chemical properties. Its aluminum oxide content is as high as 40% above, whiteness over 90%, and iron oxide content lower than 0.3%, free from any artificial chemical additives, industrial heavy metal pollution and harmful substances. It is a high-value mineral raw material that is widely used in high-end manufacturing, fine chemical industry, new materials and other fields, and is the core raw material for many high-quality products.

1. Main Application

      High-end manufacturing application

1.Electronic ceramic production: As the key raw material for electronic ceramics such as ceramic substrates, capacitors and piezoelectric ceramics, it has excellent electrical insulation, thermal stability and sintering compactness, ensuring the performance and service life of electronic components.

2.New energy materials: Used in the preparation of lithium battery diaphragm coatings and positive electrode material fillers, it improves the high temperature resistance and electrolyte wettability of diaphragms, and is an important auxiliary material for new energy battery production.

3.Glass fiber modification: Mixed into glass fiber raw materials, it optimizes the melting performance and mechanical strength of glass fiber, and is suitable for producing high-strength glass fiber used in aerospace, automotive and wind power fields.

      Fine chemical and daily chemical application

1.High-grade cosmetic manufacturing: The ultra-fine high-purity kaolin is used in high-end skin care products, makeup and beauty products, with mild oil absorption, good skin adhesion and non-irritation, which can create a natural makeup finish and has the effect of mild cleansing and moisturizing.

2.Special coating production: Applied in anti-corrosion coatings, high-temperature resistant coatings and architectural art coatings, it improves the covering power, weather resistance and adhesion of coatings, and is suitable for high-grade architectural decoration, industrial equipment protection and other scenarios.

3.Food grade auxiliary materials: The food-grade high-purity kaolin that meets national food safety standards is used as a clarifying agent and anti-caking agent for food and beverages, such as wine clarification, edible powder anti-caking, with stable properties and no impact on food taste and quality.

      Daily industrial and other applications

1.Rubber and plastic high-end modification: Serves as a functional filler for high-end rubber and plastic products such as automotive parts, medical plastic devices and precision plastic components, enhancing the wear resistance, aging resistance and dimensional accuracy of products.

2.Papermaking of high-grade art paper: Used as a high-end coating material for art paper, calligraphy and painting paper and high-grade packaging paper, it improves the whiteness, smoothness and ink absorption of paper, and presents excellent printing and writing effects.

3.Catalyst carrier: Its unique porous structure makes it an ideal catalyst carrier for chemical industry, environmental protection and other fields, which can improve the catalytic efficiency and service life of catalysts.

2. Production Process

1. Ore Selection and Mining: Adopt selective mining technology to mine high-grade kaolin raw ore with high whiteness, low iron and titanium content, and strictly control the ore quality at the source.
2. Coarse Processing and Crushing: Carry out closed-circuit coarse crushing and fine crushing of the raw ore, and remove large impurities such as gangue through screening to ensure the uniformity of the crushed material.
3. Ultra-fine Grinding: Use advanced air flow mill and ball mill combined grinding technology to carry out ultra-fine grinding of the crushed material, and realize precise control of particle size (800-2000 mesh) through grading equipment.
4. Deep Purification: Adopt a combination of high-gradient magnetic separation, high-efficiency flotation and acid leaching purification (for high-purity grade) to remove trace iron, titanium, carbon and other impurities, and greatly improve the whiteness and purity of kaolin.
5. Slurry Concentration and Dehydration: Prepare the ground kaolin into a high-concentration slurry, conduct high-speed sedimentation and concentration, and then carry out vacuum belt dehydration and pressure filtration to obtain a filter cake with low moisture content.
6. Low-temperature Drying and Milling: Dry the filter cake in a low-temperature vacuum drying oven to control the moisture content below 1%, and then carry out secondary fine milling and precision screening to form high-purity finished products of different specifications.
7. Sterilization and Sealed Packaging: For cosmetic and food grade products, carry out high-temperature sterilization and aseptic processing; adopt vacuum sealed PE inner bag + PP woven bag or customized aseptic packaging, moisture-proof, anti-caking and anti-pollution, supporting customized specifications from 1kg to 1 ton.

3. Compliance and Certification

      ·Multi-grade compliant: Conforms to international and national standards of different application fields, including ISO 13006 (ceramic), ISO 22716 (cosmetic), GB 1886.234 (food grade) and ISO 9001 quality management system certification, and has obtained GMP, HACCP and FDA certifications for export products.

      ·Complete qualification documents: Provide a full set of authoritative test reports and compliance documents including COA, TDS, MSDS, food safety inspection report (for food grade), cosmetic raw material safety assessment report (for cosmetic grade), meeting the import quality inspection and customs clearance requirements of various countries and regions.

      ·Customs code: HS 2507.00, fully adapted to the international import and export trade customs declaration procedures, and can provide professional commodity classification and declaration guidance for customers.

4. Packaging and Storage and Transportation

·Packing specifications: 1kg/bag (food/cosmetic grade), 5kg/bag, 10kg/bag, 25kg/bag, 50kg/bag, 1 ton/bulk bag; support customized packaging such as small package, vacuum package and aseptic package, and can print brand LOGO and product parameters as required.

·Storage conditions: Store in a cool, dry, aseptic and well-ventilated special warehouse, with temperature ≤20℃ and humidity ≤60%; food and cosmetic grade products are stored separately from industrial grade products, avoid direct sunlight, dampness, and contact with toxic and harmful substances; the shelf life of sealed storage is 24 months.

·Transportation requirements: Classified transportation according to product grades, food and cosmetic grade products adopt aseptic sealed transport containers; industrial grade products use clean and dry closed trucks/containers, transportation temperature 0-25℃; avoid rain, violent collision and high temperature during transportation, and comply with the transportation regulations of dangerous goods for chemical raw materials (non-hazardous).

5. Supply and Delivery

·Origin Direct Supply: Cooperate with core high-grade kaolin ore deposits in major producing areas worldwide, and have their own deep processing bases, realizing direct supply from mine to customer, reducing intermediate links and ensuring the stability of product price and quality.

·Fast Delivery Cycle: Common high-purity specifications (1250 mesh, 2000 mesh) are in stock and shipped within 24 hours; customized fineness, grade and packaging take 5-12 working days for production and delivery; emergency orders can be prioritized for production and delivery.

·Global Professional Logistics: Cooperate with well-known international logistics companies, support sea freight, air freight, international express and cross-border railway transportation, and can deliver to all countries and regions in the world; provide door-to-door delivery service for bulk orders, and solve the last-mile transportation problem for customers.

·Flexible Payment Solutions: Support mainstream foreign trade payment methods such as T/T, L/C, D/A and PayPal; for long-term cooperative customers, flexible payment terms such as monthly settlement and quarterly settlement can be customized, and provide trade financing consultation services to meet the diverse settlement needs of international business.

6. Advantages of Cooperation

Superior source and quality control: Select high-grade raw ore from well-known ore deposits worldwide, adopt international advanced production technology and fully automatic production lines, implement full-process quality inspection from ore mining to finished product delivery, and each batch of products is accompanied by third-party authoritative testing reports to ensure product quality stability and traceability.

High degree of customization: According to the different application requirements of customers in different fields, we can customize the fineness (800-2000 mesh), whiteness (90-98%), grade (industrial/cosmetic/food/electronic grade) and packaging form of high-purity kaolin, and provide personalized product solutions and technical support.

One-stop full service: Provide professional one-stop services including product technical consultation, formula matching guidance, foreign trade document preparation, customs clearance and commodity inspection, logistics and transportation, after-sales tracking, solve all the problems of customers in the whole process of purchase and cross-border trade, and reduce customer operation costs.

Stable supply and long-term cooperation: With large-scale ore mining capacity and advanced processing production capacity, it can provide long-term, stable and large-quantity supply for customers, meet the needs of customers in high-end manufacturing, fine chemical industry and other fields for bulk and continuous procurement, and establish long-term and stable strategic cooperative relations with customers.

Technical R & D support: Have a professional mineral R & D team and laboratory, can carry out targeted product research and development and process improvement according to the new market demand and customer personalized needs, and provide technical guidance and after-sales service for customers' product application, helping customers improve product competitiveness.