Mineral Pigments Natural Ochre Mashi Clay Carbon Black Made in Iran
Iranian natural mineral pigments represent a comprehensive palette of earth-derived colorants, including ochre, Mashi clay, carbon black, blue pigments, green pigments, Umia, Afra, Afra Hormoz, and Afra Abu Musa. These pigments are sourced from mineral deposits and processed into fine powders suitable for a vast array of coloring applications. With excellent light fastness, chemical inertness, and thermal stability, they are indispensable in construction, paints, plastics, rubber, ceramics, and even cosmetics.
The Supply Chain Department at Sahi Rasa Company supplies Iranian natural mineral pigments for export to Afghanistan, Iraq, the Kurdistan Region, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria. Whether for concrete coloring, paint manufacturing, plastic masterbatch, or artistic applications, the department ensures reliable supply, consistent color quality, 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 has cultivated a rare specialization in the sourcing and export of natural mineral pigments from Iran. In an industry where color consistency and batch-to-batch reproducibility are paramount, the department has built its reputation on rigorous quality control, spectrophotometric color matching, and deep knowledge of Iranian mineral deposits. Unlike generic suppliers who treat pigments as interchangeable commodities, the department recognizes that each pigment—whether ochre, Mashi clay, or carbon black—has a unique geological origin, chemical profile, and color behavior that must be understood and respected.
The department's pigment specialists work directly with extraction sites and processing facilities to ensure that raw materials are selected based on color strength, particle size, and purity. For construction clients in Iraq who require iron oxide pigments for concrete flooring, the department provides ochre grades with high tinting strength and alkali resistance. For paint manufacturers in Turkey who need carbon black for deep black coatings, the department supplies micronized grades with controlled particle size distribution. For plastics producers in Uzbekistan who require blue and green pigments for masterbatch, the department offers mineral-based colorants with excellent dispersion and heat stability.
For clients in Afghanistan, the Kurdistan Region, Iraq, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria, the Supply Chain Department at Sahi Rasa Company offers a complete pigment portfolio under one roof. This consolidation simplifies procurement, reduces logistics costs, and ensures that all pigments in a formulation are compatible and consistent. The department's multilingual staff and regional expertise make it a trusted partner for manufacturers across the Middle East and Central Asia.
2. Product Overview
Natural mineral pigments are colorants derived from earth, rocks, and minerals, typically through mechanical processes such as crushing, grinding, and classification. Unlike synthetic pigments, which are manufactured through chemical reactions, natural mineral pigments retain the character and complexity of their geological origins. Iranian mineral pigments are sourced from various deposits across the country, each producing distinct hues and properties.
The department's pigment portfolio includes:
Ochre: A natural iron oxide pigment ranging from yellow to red to brown, used in concrete, paints, and ceramics.
Mashi Clay (Limonite): A hydrated iron oxide clay with a reddish-brown color, used in construction and decorative applications.
Carbon Black: A fine black pigment produced from the incomplete combustion of hydrocarbons, used in rubber, plastics, inks, and paints.
Blue Pigments: Natural and modified mineral pigments providing blue hues for construction and industrial applications.
Green Pigments: Earth-derived green pigments for concrete, paints, and plastics.
Umia: A natural earth pigment with unique color characteristics, used in traditional and industrial applications.
Afra (Afra Hormoz, Afra Abu Musa): A family of natural pigments sourced from specific Iranian deposits, offering distinctive color properties.
These pigments are used extensively in construction for coloring concrete, mortar, asphalt, and roofing tiles; in paints for architectural, industrial, and artistic coatings; in plastics and rubber for masterbatch, molded parts, and extruded profiles; in ceramics for glazes and body stains; and in cosmetics for mineral makeup and color cosmetics. The Supply Chain Department at Sahi Rasa Company supplies these pigments in powder form, with mesh sizes ranging from 200 to 1250, and can customize particle size, color blending, and packaging to meet client requirements.
3. Physical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | Natural Mineral Pigments |
| Varieties | Ochre, Mashi Clay, Carbon Black, Blue, Green, Umia, Afra |
| Appearance | Fine powder, various colors |
| Fe₂O₃ Content (Ochre/Mashi) | 40 – 85% |
| Carbon Content (Carbon Black) | ≥ 95% |
| Particle Size (Mesh) | 200, 325, 400, 600, 1250 |
| Specific Gravity | 2.5 – 4.5 g/cm³ (varies by type) |
| Moisture Content | ≤ 2% |
| pH | 5.0 – 8.0 |
| Oil Absorption | 15 – 40 g/100g |
| Light Fastness | Excellent |
| Alkali Resistance | Excellent |
| Heat Stability | Up to 500°C |
| Packaging | 25 kg bags, 1 MT jumbo bags |
4. Chemical Specifications Table
| Component | Ochre (%) | Mashi Clay (%) | Carbon Black (%) | Blue (%) | Green (%) |
|---|---|---|---|---|---|
| Fe₂O₃ | 50 – 85 | 40 – 60 | – | – | – |
| SiO₂ | 10 – 30 | 10 – 20 | – | 30 – 50 | 20 – 40 |
| Al₂O₃ | 3 – 10 | 5 – 10 | – | 10 – 20 | 10 – 20 |
| Carbon (C) | – | – | ≥ 95 | – | – |
| CuO | – | – | – | 5 – 15 | – |
| Cr₂O₃ | – | – | – | – | 10 – 25 |
| CaO | ≤ 2 | ≤ 2 | – | ≤ 5 | ≤ 5 |
| MgO | ≤ 1 | ≤ 1 | – | ≤ 2 | ≤ 2 |
| Loss on Ignition | 5 – 12% | 8 – 15% | ≤ 2% | 5 – 10% | 5 – 10% |
5. Industries & Factories Using This Product
Iranian natural mineral pigments are utilized across a remarkably diverse range of industries and end products. Understanding the breadth of these applications is essential for manufacturers seeking reliable colorant solutions.
Construction and Building Materials Industry: This sector is the largest consumer of natural mineral pigments. Concrete manufacturers use ochre and Mashi clay to produce colored concrete for architectural flooring, precast walls, paving stones, and decorative panels. Producers of concrete roof tiles rely on iron oxide pigments to achieve terracotta, red, brown, and black shades. Manufacturers of mortar, stucco, and render use pigments for colored facades. Asphalt producers use pigments to create colored asphalt for bike lanes, bus lanes, sports courts, and decorative road surfaces. Producers of calcium silicate bricks, autoclaved aerated concrete (AAC), and concrete blocks use pigments for through-body coloration. Manufacturers of dry-mix mortars, tile adhesives, and grouts use pigments for colored joint fillers and adhesives. Producers of artificial stone and engineered stone use pigments for veining and base coloration.
Paint and Coatings Industry: Paint factories use natural mineral pigments as cost-effective colorants and extenders in architectural paints, primers, undercoats, and anti-corrosive coatings. Anti-rust paint manufacturers rely on iron oxide pigments for their passivating and barrier properties. Manufacturers of powder coatings use pigments that can withstand the curing temperatures of powder coating ovens. Producers of artistic and decorative paints use ochre, Mashi clay, and Umia for traditional and specialty finishes. Manufacturers of road marking paints use pigments for durable, high-visibility road markings. Producers of wood stains and varnishes use pigments for transparent and semi-transparent wood finishes.
Plastics and Rubber Industry: Plastics processors use mineral pigments for coloring PVC pipes, profiles, and fittings; polyethylene films and bags; polypropylene molded parts; and engineering plastics. Masterbatch producers use high-opacity pigments for concentrated color masterbatches. Rubber manufacturers use pigments for colored rubber goods including hoses, gaskets, seals, mats, and footwear. Tire manufacturers use carbon black as a reinforcing filler and black colorant. Manufacturers of thermoplastic elastomers (TPE) and thermoplastic vulcanizates (TPV) use pigments for colored flexible parts.
Ceramics Industry: Ceramic tile manufacturers use pigments for body stains and glaze colorants. Producers of sanitaryware use pigments for colored ceramic bodies. Manufacturers of tableware and decorative ceramics use pigments for colored glazes and underglaze decoration. Producers of ceramic frits and glazes use pigments as coloring oxides.
Cosmetics and Personal Care Industry: Cosmetic manufacturers use cosmetic-grade iron oxides and natural earth pigments in mineral makeup, foundations, blushes, eye shadows, and lip products. Soap manufacturers use pigments for colored artisan and commercial soaps. Producers of body paints and theatrical makeup use natural pigments for skin-safe coloration.
Paper and Packaging Industry: Paper mills use pigments for colored paper and paperboard. Packaging manufacturers use pigments for colored packaging materials. Producers of decorative laminates use pigments for colored laminates.
Leather and Textile Industry: Leather tanneries use pigments for colored leather finishes. Textile printers use pigments for pigment printing on fabrics. Manufacturers of coated textiles use pigments for colored coatings.
Other Industries: Artists' color manufacturers use natural pigments for oil paints, watercolors, and pastels. Producers of inks use carbon black and colored pigments for printing inks. Manufacturers of foundry coatings use pigments for mold washes. Producers of refractories use pigments for colored refractory bricks. Manufacturers of friction materials (brake pads) use pigments for coloration and identification.
The Supply Chain Department at Sahi Rasa Company serves clients in all these industries, providing technical guidance on pigment selection, dosage optimization, and compatibility with binder systems.
6. Key Properties & Advantages
Iranian natural mineral pigments offer a combination of properties that make them highly desirable for industrial and consumer applications.
Excellent Light Fastness: Natural mineral pigments are highly resistant to fading when exposed to ultraviolet radiation. This makes them ideal for exterior applications such as concrete facades, roofing tiles, and road markings, where color retention over many years is essential.
Chemical Inertness: These pigments are chemically inert and do not react with acids, alkalis, or solvents under normal conditions. This ensures stability in a wide range of formulations, including alkaline cementitious systems, acidic paint binders, and organic polymer matrices.
Thermal Stability: Natural mineral pigments can withstand high temperatures without significant color change. Iron oxide pigments are stable up to 500°C, making them suitable for applications involving heat exposure, such as powder coatings, ceramic glazes, and foundry coatings.
High Tinting Strength: Despite being natural products, Iranian mineral pigments offer high tinting strength, meaning that relatively small amounts produce strong, vibrant colors. This reduces formulation costs and allows for precise color control.
Alkali Resistance: Iron oxide and earth pigments are resistant to alkaline environments, making them compatible with cement, lime, and other alkaline binders. This is critical for concrete and mortar applications.
Non-Toxicity: Natural mineral pigments are generally non-toxic and safe for use in applications where human contact is possible, including cosmetics and children's products. Cosmetic-grade pigments are tested for heavy metals and meet regulatory requirements.
Cost-Effectiveness: Compared to synthetic organic pigments, natural mineral pigments offer excellent value for money. They provide good color performance at a lower cost, making them attractive for cost-sensitive applications.
Environmental Friendliness: As naturally derived materials, mineral pigments have a lower environmental footprint than synthetic alternatives. They are not based on petrochemical feedstocks and do not release harmful byproducts during production.
7. Chemical Formula / Size & Packaging Specifications
Chemical Formulas:
Ochre: Fe₂O₃·nH₂O (hydrated iron oxide with clay)
Mashi Clay: FeO(OH)·nH₂O (limonite)
Carbon Black: C (amorphous carbon)
Blue Pigments: Variable (copper-based or ultramarine-type)
Green Pigments: Variable (chromium oxide-based or earth green)
CAS Numbers: 1309-37-1 (iron oxide), 1333-86-4 (carbon black), 1308-38-9 (chromium oxide green).
Packaging Options: 25 kg multi-wall paper bags with inner PE liner, 1 MT jumbo bags with discharge spouts, 50 kg PP woven bags, and custom packaging upon request.
8. Available Grades, Sizes, Qualities & Custom Colors
| Pigment Type | Color Range | Mesh Sizes | Typical Application |
|---|---|---|---|
| Ochre | Yellow, red, brown | 200 – 600 | Concrete, paints |
| Mashi Clay | Red-brown, yellow-brown | 200 – 400 | Construction, pigments |
| Carbon Black | Black | 325 – 1250 | Rubber, plastics, inks |
| Blue | Blue, ultramarine | 325 – 600 | Plastics, paints |
| Green | Green, olive | 325 – 600 | Concrete, paints |
| Umia | Earth brown | 200 – 400 | Artistic, construction |
| Afra | Various | 200 – 600 | General purpose |
Quality Grades: Technical Grade, Construction Grade, Paint Grade, Cosmetic Grade (for selected pigments).
Custom Options: Custom color blending to match client's target shade; custom mesh sizes; private-label packaging; pigment dispersions in liquid or paste form available for selected pigments.
9. Sahi Rasa Supply Chain Department Services for International Factories
The Supply Chain Department at Sahi Rasa Company offers a comprehensive suite of services designed to support international factories in procuring Iranian natural mineral pigments.
Monthly & Weekly Supply Planning: The department collaborates with client factories to develop supply schedules that align with their production cycles. For construction material producers, this may mean deliveries timed to coincide with peak building seasons. For paint manufacturers, it may mean weekly deliveries to maintain just-in-time inventory. The department uses demand forecasting and inventory modeling to optimize order quantities and delivery frequencies.
Sourcing & Procurement: The department maintains relationships with multiple pigment sources across Iran, ensuring access to a wide range of colors and grades. The procurement team negotiates pricing and terms, verifies legal compliance, and secures production capacity. Clients benefit from the department's buying power and its ability to consolidate orders for multiple pigments.
Sample Dispatch: Clients can request free or commercial samples of any pigment in the portfolio. The department dispatches samples via courier, typically within 5–7 business days, accompanied by a Certificate of Analysis and color reference card. Clients can use these samples for laboratory testing, production trials, and color approval.
Custom Manufacturing (OEM/ODM): For clients requiring specific color shades, the department offers custom blending services. The client's target color is analyzed using spectrophotometry, and a custom blend of pigments is produced to match it. The department can also produce custom mesh sizes, surface treatments, and private-label packaging.
Pre-Shipment Quality Control: Before any shipment, the department's QC team inspects the pigments at the supplier's facility. Tests include color strength, moisture, mesh size distribution, and heavy metal content. A detailed inspection report is provided to the client, along with retained samples.
Loading & Handling: The department supervises loading to ensure that bags and jumbo bags are properly secured and protected from moisture. Loading crews use appropriate equipment to prevent damage and minimize dust.
Export Documentation: All export documents, including Commercial Invoice, Packing List, Certificate of Origin, Certificate of Analysis, Material Safety Data Sheet, and Bill of Lading, are prepared and managed by the department's documentation team.
International Transportation: The department arranges transportation by sea, land, or air, depending on the destination and urgency. For landlocked countries such as Afghanistan and Uzbekistan, multimodal transport is arranged.
Export Customs Clearance: Customs brokers handle all export formalities at Iranian ports and borders.
Import Customs Clearance: For clients requiring support at destination, the department can arrange import clearance through trusted partners in Iraq, Turkey, Afghanistan, and Central Asian countries.
On-Site Technical Team Deployment: For large-scale construction or paint manufacturing operations, the department can deploy technical staff to assist with pigment dosing, mixing, and quality control at the client's site.
Training & Knowledge Transfer: The department offers training sessions on the proper use of natural mineral pigments in concrete, paint, plastic, and rubber applications, including dosage optimization and color control.
10. Why Choose the Supply Chain Department at Sahi Rasa Company?
Choosing the Supply Chain Department at Sahi Rasa Company means choosing a partner with deep expertise in natural pigments, a commitment to quality, and a proven track record in international trade. The department offers consistent color quality, competitive pricing, flexible logistics, comprehensive services, regional expertise, and customer focus. Its coverage of Afghanistan, Iraq, Kurdistan, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, and Syria makes it a convenient single source for Iranian mineral pigments.
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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