Kaolin High Alumina 39.5% Made in Iran
Iranian kaolin, also known as china clay or white clay, is a high-alumina hydrated aluminosilicate mineral with an Al₂O₃ content of 39.5% and SiO₂ content of 46.5%. This white, soft powder, with the chemical formula Al₄(Si₄O₁₀)(OH)₈, is valued for its excellent plasticity, refractoriness (melting point 1785°C), and high whiteness. It is widely used in the production of paper, paints, ceramics, tiles, refractories, and rubber. The product is available in white (high alumina) and premium (low iron) grades. Ball clay, a related refractory clay that withstands temperatures ≥1500°C, is also supplied.
The Supply Chain Department at Sahi Rasa Company supplies Iranian kaolin and ball clay for export to Afghanistan, Iraq, the Kurdistan Region, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria. Whether for ceramics manufacturing, paper coating, or paint production, the department ensures reliable supply, competitive pricing, and comprehensive logistics support.
1. Introduction to the Supply Chain Department at Sahi Rasa Company
The Supply Chain Department at Sahi Rasa Company is a specialized unit in Iran responsible for sourcing, procurement, and export of industrial minerals, including high-quality kaolin and ball clay. This department manages the entire supply chain — from sourcing raw clay from qualified deposits to delivering finished, quality-certified material to factories abroad. By leveraging extensive experience in mineral processing and international trade, the department ensures that every shipment of kaolin and ball clay meets the technical specifications demanded by the ceramics, paper, paint, and refractory industries.
For clients in Afghanistan, the Kurdistan Region, Iraq, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria, the Supply Chain Department at Sahi Rasa Company offers flexible supply programs, technical consultation, and comprehensive logistics support.
2. Product Overview
Kaolin, also known as china clay or white clay, is a soft, white, earthy mineral produced by the chemical weathering of aluminium silicate minerals like feldspar. Its primary constituent is the mineral kaolinite, a hydrated aluminosilicate with the chemical formula Al₄(Si₄O₁₀)(OH)₈. Kaolin is characterized by its fine particle size, plate-like particle shape, high whiteness, and excellent plasticity when mixed with water.
Ball clay is a type of kaolinitic clay that is more plastic and refractory than standard kaolin. It is composed primarily of kaolinite, mica, and quartz, and is known for its high green strength and ability to withstand high temperatures (≥1500°C) without deforming. Iranian kaolin and ball clay are used extensively in the ceramics industry for the production of tiles, sanitaryware, porcelain, and tableware. In the paper industry, kaolin is used as a coating and filler to improve printability, opacity, and brightness. In paints, it serves as an extender pigment that improves durability and reduces cost. In refractories, kaolin provides high-temperature strength and thermal shock resistance.
3. Physical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | Kaolin (China Clay) |
| Synonyms | China Clay, White Clay, Kaolinite |
| Chemical Formula | Al₄(Si₄O₁₀)(OH)₈ |
| Appearance | White, soft powder |
| Al₂O₃ Content | 39.5% |
| SiO₂ Content | 46.5% |
| Water Content | 14% |
| Density | 2.1 – 2.6 g/cm³ |
| Melting Point | 1785°C |
| Hardness (Mohs) | 2.0 – 2.5 |
| Whiteness | ≥ 90% |
| pH | 4.5 – 7.0 |
| Packaging | 25 kg bags, 1 MT jumbo bags |
4. Chemical Specifications Table
| Component | Content (%) |
|---|---|
| SiO₂ (Silicon Dioxide) | 46.5 |
| Al₂O₃ (Aluminium Oxide) | 39.5 |
| Fe₂O₃ (Iron Oxide) | ≤ 0.5 |
| TiO₂ (Titanium Dioxide) | ≤ 0.3 |
| CaO (Calcium Oxide) | ≤ 0.2 |
| MgO (Magnesium Oxide) | ≤ 0.1 |
| K₂O (Potassium Oxide) | ≤ 0.1 |
| Na₂O (Sodium Oxide) | ≤ 0.1 |
| Loss on Ignition (LOI) | 13 – 14% |
5. Industries & Factories Using This Product
Iranian kaolin and ball clay are utilized across several key industries. Major consumers include ceramics and tile manufacturers, sanitaryware and porcelain producers, paper and paperboard mills, paint and coating manufacturers, refractory producers, rubber and plastics processors, and fiberglass manufacturers.
6. Key Properties & Advantages
Iranian kaolin and ball clay offer high alumina content (39.5% Al₂O₃) for excellent refractoriness, high whiteness for aesthetic and optical applications, fine particle size and plate-like morphology for smooth surface finishes, excellent plasticity for easy forming, high green strength and refractoriness (ball clay withstands ≥1500°C), and chemical inertness for use in aggressive environments.
7. Chemical Formula / Size & Packaging Specifications
Chemical Formula: Al₄(Si₄O₁₀)(OH)₈. Molecular Weight: 258.16 g/mol. CAS Number: 1332-58-7. Packaging Options: 25 kg multi-wall paper bags with inner PE liner, 1 MT jumbo bags with discharge spouts, and custom packaging upon request.
8. Available Grades, Sizes, Qualities & Custom Colors
| Grade | Al₂O₃ Content | Fe₂O₃ Content | Typical Application |
|---|---|---|---|
| White (High Alumina) | 39.5% | ≤ 0.5% | Ceramics, refractories |
| Premium (Low Iron) | 38 – 39% | ≤ 0.3% | Paper coating, high-white ceramics |
| Ball Clay | 30 – 35% | ≤ 1.0% | Sanitaryware, tiles, refractories |
Quality Grades: Technical Grade, Ceramic Grade, and Paper Grade. Custom Options: Custom particle sizes and packaging available upon request.
9. Sahi Rasa Supply Chain Department Services for International Factories
The Supply Chain Department at Sahi Rasa Company provides end-to-end supply chain services for international factories procuring Iranian kaolin and ball clay.
Monthly & Weekly Supply Planning: The department collaborates with client factories to establish supply schedules based on production forecasts, inventory levels, and lead times.
Sourcing & Procurement: The procurement team conducts rigorous supplier qualification, evaluating alumina content, whiteness, particle size, and processing capability.
Sample Dispatch: Clients can request free or commercial samples of kaolin and ball clay, accompanied by a Certificate of Analysis (COA).
Custom Manufacturing (OEM/ODM): The department coordinates OEM/ODM production with qualified processing partners for custom grades, particle sizes, and packaging.
Pre-Shipment Quality Control: The department implements pre-shipment quality control at the supplier's facility before loading. The QC team verifies Al₂O₃ content, Fe₂O₃ content, whiteness, moisture content, and particle size distribution.
Loading & Handling: Professional loading and handling procedures protect product integrity during container stuffing.
Export Documentation: The department prepares and manages all export documentation required for kaolin shipments.
International Transportation: The department arranges international transportation via sea freight (FCL/LCL), air freight, or land transport.
Export Customs Clearance: Customs brokers handle export customs clearance at ports and border crossings.
Import Customs Clearance: For clients requiring support at destination, the department can arrange import customs clearance through trusted local partners.
On-Site Technical Team Deployment: For large-scale ceramic or paper operations, the department can deploy a technical team to the client's factory.
Training & Knowledge Transfer: The department offers training programs covering proper handling, storage, and incorporation of kaolin into ceramic bodies, paper coatings, and paint formulations.
10. Why Choose the Supply Chain Department at Sahi Rasa Company?
The Supply Chain Department at Sahi Rasa Company offers reliable Iranian supply of high-alumina kaolin and ball clay, quality assurance with pre-shipment QC and full documentation, flexible logistics solutions, comprehensive services, competitive pricing, and regional expertise in markets including Afghanistan, Iraq, Kurdistan, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria.
11. Ordering & Contact Information
International customers can place orders through the Request for Quotation (RFQ) form located at the bottom of this page. The expert team at the Supply Chain Department at Sahi Rasa Company will respond to all inquiries as soon as possible, providing complete information on pricing, delivery schedules, shipping terms, and export documentation.
Export & Transportation
Sahi Rasa's Commercial & Transportation Department operates through an active network of representatives at major land borders and seaports, coordinating export, customs clearance, transportation and import procedures to your destination.
Border & Customs Network
Active representatives at key Iranian land borders and commercial crossings provide customs clearance, export coordination and cross-border logistics for industrial and commercial shipments.
Cross-Border Transportation
We arrange suitable vehicles and transportation solutions based on cargo type, packaging, route, destination and delivery requirements across neighboring markets.
Land Border Crossings
Key Iranian border routes serving Iraq, the Caucasus, Central Asia, Afghanistan and Pakistan.
Tamarchin
Haji Omran • Iraqi Kurdistan
Erbil & Duhok
Bashmaq
Iraqi Kurdistan
Sulaymaniyah & surrounding areas
Parviz Khan
Iraq
Kalar & nearby destinations
Khosravi
Iraq
Central Iraqi destinations
Shalamcheh
Iraq
Southern Iraq routes
Bileh Savar
Azerbaijan
Northwestern route
Bazargan
Turkey
Western trade route
Poldasht
Armenia & Azerbaijan
Regional routes
Islam Qala
Afghanistan
Herat & western Afghanistan
Lotfabad
Turkmenistan
Central Asian routes
Sarakhs
Turkmenistan
Central Asia
Milak
Afghanistan
Eastern & southern routes
Mil 78
Afghanistan
Major eastern route
Taftan
Pakistan
Cross-border trade route
Rimdan
Pakistan
Southern route
Seaports & Maritime Logistics
Port-based logistics solutions for international shipments, containerized cargo and bulk transportation.
Chabahar Port
Indian Ocean
International maritime logistics
Mahshahr Port
Persian Gulf
Industrial & bulk cargo
Bandar Abbas
Persian Gulf
Container & general cargo
Shahid Rajaee
Bandar Abbas
Major container gateway
Amirabad Port
Caspian Sea
Regional maritime trade
Anzali Port
Caspian Sea
Regional & international trade
Export Destinations
Road and multimodal transportation to key markets across the region.
Transportation Fleet
Vehicle solutions selected according to cargo type, loading requirements and destination.
Road Tankers
Liquid, chemical, petroleum and bulk liquid transportation.
Curtainsider
Flexible transport for cartons, pallets, bags and general cargo.
Refrigerated Trucks
Temperature-controlled transportation for sensitive cargo.
Flatbed Trailers
Machinery, equipment, oversized and palletized cargo.
Mini Trucks
Regional deliveries and medium-volume commercial shipments.
3-Ton Pickups
Smaller cargo, local delivery and flexible last-mile transport.
Custom Transport
Specialized vehicles arranged according to cargo requirements.
Need Export & Transportation Support?
Fill out the offer request form or email us directly: Tell us your product, quantity, packaging and destination. Our commercial team will coordinate the suitable route and transportation solution.
Export Packaging Options
Flexible packaging solutions designed around your product, quantity, transportation method and destination requirements.
Bulk
Bulk solid, powder and liquid shipments for high-volume industrial and commodity products.
Bulk CargoDrums & Barrels
Plastic, HDPE and steel drums for chemicals, oils, petroleum products and industrial liquids.
20–250 LBags & Sacks
PP, PE, woven, kraft and multi-layer bags for powders, minerals, chemicals and granules.
Industrial BagsJumbo Bags
FIBC and jumbo bags with liners, pallets or metal cages for high-volume bulk materials.
FIBCPalletized
Cartons, bags, drums and boxes secured on export pallets with stretch or shrink wrapping.
Export ReadyCartons & Boxes
Corrugated export cartons, master boxes and heavy-duty packaging for organized shipments.
BoxedIBC Containers
Intermediate bulk containers for efficient handling of liquid chemicals, oils and industrial materials.
Up to 1,000 LTank Containers
ISO tank containers and specialized tanks for liquid, chemical and petroleum products.
ISO TankWooden Crates
Export-grade wooden crates and cases for machinery, equipment and heavy industrial products.
Heavy DutyMetal Frames
Steel frames, cages and metal pallets for reinforced protection during international transportation.
ReinforcedSpecialized Packaging
Customized solutions for pharmaceutical, laboratory, medical, hazardous and sensitive materials.
CustomCustom Solutions
Packaging configured to product specifications, handling requirements, destination and shipping conditions.
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