Mashi Clay Limonite Iron Oxide Made in Iran
Iranian Mashi clay, also known as limonite or iron oxide clay, is a natural mineral pigment composed primarily of hydrated iron oxide. It is characterized by its reddish-brown to yellowish-brown color and is widely used in construction, paint, and pigment industries. As a natural iron oxide, it offers excellent tinting strength, UV stability, and chemical resistance. The Supply Chain Department at Sahi Rasa Company supplies Mashi clay in various grades and packaging options, ensuring consistent color and quality for international buyers.
For clients in Afghanistan, Iraq, the Kurdistan Region, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria, the Supply Chain Department at Sahi Rasa Company provides reliable supply of Mashi clay for concrete coloring, paint manufacturing, and industrial pigments. Whether for decorative concrete, roof tiles, or artistic paints, the department offers flexible ordering and comprehensive logistics.
1. Introduction to the Supply Chain Department at Sahi Rasa Company
The Supply Chain Department at Sahi Rasa Company specializes in the export of natural mineral pigments, with Mashi clay being one of its signature products. The department sources this limonite-based clay from selected deposits, ensuring that the color intensity, particle size, and chemical composition meet the expectations of construction and paint manufacturers. By maintaining strict quality control and offering flexible packaging, it has become a preferred supplier for clients across the Middle East and Central Asia. For buyers in Afghanistan, Kurdistan, Iraq, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria, the department provides a seamless route to Iranian natural pigments.
The department's expertise lies in understanding the nuances of natural pigments, which can vary in hue and strength. Through careful blending and processing, it ensures batch-to-batch consistency, a critical factor for manufacturers who rely on stable color inputs.
2. Product Overview
Mashi clay is a naturally occurring limonite, a mixture of hydrated iron oxides and hydroxides. Its color ranges from yellow to red-brown, depending on the degree of hydration and impurities. As a pigment, it is valued for its opacity, tinting strength, and resistance to fading. In construction, Mashi clay is used to color concrete, mortar, and asphalt, providing aesthetic appeal and UV stability. In paints, it serves as a natural earth pigment for artistic and decorative coatings. The Supply Chain Department at Sahi Rasa Company offers Mashi clay in powder form, ready for incorporation into various formulations.
3. Physical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | Mashi Clay (Limonite) |
| Synonyms | Limonite, Iron Oxide Clay, Yellow Ochre |
| Appearance | Red-brown to yellow-brown powder |
| Iron Oxide Content (Fe₂O₃) | 40 – 60% |
| Particle Size | 200 – 400 mesh |
| Moisture Content | ≤ 3% |
| pH | 6.0 – 8.0 |
| Oil Absorption | 20 – 30 g/100g |
| Packaging | 25 kg bags, 1 MT jumbo bags |
4. Chemical Specifications Table
| Component | Content (%) |
|---|---|
| Fe₂O₃ | 40 – 60 |
| SiO₂ | 10 – 20 |
| Al₂O₃ | 5 – 10 |
| CaO | ≤ 2 |
| MgO | ≤ 1 |
| Loss on Ignition | 8 – 12% |
5. Industries & Factories Using This Product
Mashi clay is used in construction for coloring concrete, paving stones, and roof tiles; in paints for artistic and decorative coatings; in plastics and rubber as a natural colorant; and in ceramics for glazes.
6. Key Properties & Advantages
Natural iron oxide pigment, excellent UV stability, high tinting strength, chemical resistance, cost-effective, and environmentally friendly.
7. Chemical Formula / Size & Packaging Specifications
Chemical Formula: FeO(OH)·nH₂O. CAS Number: 1317-63-1. Packaging Options: 25 kg bags, 1 MT jumbo bags.
8. Available Grades, Sizes, Qualities & Custom Colors
| Grade | Fe₂O₃ Content | Mesh Size | Application |
|---|---|---|---|
| Standard | 40 – 50% | 200 | Construction |
| High Grade | 50 – 60% | 325 | Paints, plastics |
Quality Grades: Technical Grade. Custom Options: Custom color blending and packaging.
9. Sahi Rasa Supply Chain Department Services for International Factories
The Supply Chain Department at Sahi Rasa Company provides a range of services for pigment buyers, ensuring that Mashi clay reaches them in optimal condition.
Monthly & Weekly Supply Planning – The department coordinates supply based on construction seasons and paint production schedules.
Sourcing & Procurement – It selects deposits with consistent color and purity, negotiating favorable terms.
Sample Dispatch – Color samples are dispatched for client approval before bulk orders.
Custom Manufacturing (OEM/ODM) – Custom blending to achieve specific hues is offered.
Pre-Shipment Quality Control – Color strength, moisture, and particle size are verified.
Loading & Handling – Moisture-proof loading procedures are followed.
Export Documentation – Full documentation support.
International Transportation – Sea, land, or air transport arranged.
Export Customs Clearance – Handled by customs brokers.
Import Customs Clearance – Can be arranged at destination.
On-Site Technical Team Deployment – Technical assistance for pigment incorporation.
Training & Knowledge Transfer – Training on natural pigment usage.
10. Why Choose the Supply Chain Department at Sahi Rasa Company?
Reliable supply of natural Mashi clay, consistent color, competitive pricing, and regional export expertise.
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.
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