Carbon Black All ASTM Grades N110 to N990 Iranian Origin
Iranian carbon black is a high-performance reinforcing filler and black pigment manufactured for use in rubber, tire, plastics, inks, and coatings applications. This product is available in all major ASTM N-series grades, ranging from the high-reinforcement N110 (SAF) to the semi-reinforcing N774 (SRF) and the low-reinforcement N990 (MT). It is supplied in 25 kg bags, 1 MT jumbo bags, and bulk tankers. Carbon black is produced by the furnace black process and classified according to ASTM D1765. The selection of grade depends on the required balance of reinforcement (iodine adsorption), structure (DBP absorption), and processing characteristics for each specific application.
The Supply Chain Department at Sahi Rasa Company supplies Iranian carbon black (All Grades) for export to Afghanistan, Iraq, the Kurdistan Region, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia. The department offers sample dispatch and custom packaging.
1. Introduction to the Supply Chain Department at Sahi Rasa Company
The Supply Chain Department at Sahi Rasa Company has developed a specialized expertise in the export of carbon products, and carbon black represents a cornerstone product in its portfolio for the rubber, tire, plastics, and coatings industries. The department understands that carbon black is the most widely used reinforcing filler in the rubber industry, and that the selection of the correct grade is critical for achieving the desired balance of strength, abrasion resistance, hysteresis, and processing behavior.
The department sources carbon black from qualified Iranian manufacturers who operate under strict quality control conditions. The product is manufactured by the furnace black process and is available in all major ASTM N-series grades, from high-reinforcement N110 to semi-reinforcing N774 and low-reinforcement N990. Carbon black is tested for iodine adsorption, DBP absorption, tint strength, ash, and heating loss. Certificates of Analysis are provided with every shipment. The product complies with ASTM D1765 standard classification system for rubber-grade carbon blacks.
2. Product Overview
Carbon black is a high-performance reinforcing filler and black pigment used in rubber, tire, plastics, inks, and coatings applications. It is classified according to ASTM D1765 using a four-character nomenclature system, where the first letter indicates the reinforcement category and the number indicates the specific grade.
3. Physical Specifications Table (All Grades)
| ASTM Grade | Type | Iodine Adsorption (g/kg) | DBP Absorption (cm³/100g) | Tint Strength (%) | Particle Size (nm) | Surface Area (m²/g) |
|---|---|---|---|---|---|---|
| N110 | SAF (Super Abrasion Furnace) | 145 | 113 | 124 | 20 | 135 |
| N115 | SAF | 160 | 113 | 123 | 19 | 142 |
| N120 | SAF | 122 | 114 | 129 | 20 | 140 |
| N121 | SAF | 121 | 132 | 119 | 19 | 145 |
| N134 | SAF | 142 | 127 | 131 | 20 | 137 |
| N220 | ISAF (Intermediate Super Abrasion Furnace) | 121 | 114 | 116 | 24 | 115 |
| N231 | ISAF | 121 | 92 | 120 | 24 | 115 |
| N234 | ISAF-HM | 120 | 125 | 123 | 22 | 125 |
| N293 | ISAF | 145 | 100 | 120 | 20 | 130 |
| N299 | ISAF | 108 | 124 | 113 | 25 | 108 |
| N326 | HAF-LS (High Abrasion Furnace – Low Structure) | 82 | 72 | 111 | 30 | 84 |
| N330 | HAF (High Abrasion Furnace) | 82 | 102 | 104 | 32 | 82 |
| N335 | HAF | 92 | 110 | 110 | 30 | 90 |
| N339 | HAF-HS | 90 | 120 | 111 | 30 | 90 |
| N347 | HAF-HS | 90 | 124 | 105 | 29 | 90 |
| N351 | HAF | 68 | 120 | 100 | 32 | 73 |
| N358 | HAF | 84 | 150 | 98 | 28 | 87 |
| N375 | HAF | 90 | 114 | 114 | 28 | 90 |
| N539 | FEF-LS (Fast Extruding Furnace – Low Structure) | 43 | 111 | – | 46 | 41 |
| N550 | FEF (Fast Extruding Furnace) | 43 | 121 | – | 46 | 50 |
| N630 | GPF-LS (General Purpose Furnace – Low Structure) | 36 | 78 | – | 58 | 38 |
| N642 | GPF-LS | 36 | 64 | – | 58 | 37 |
| N650 | GPF | 36 | 122 | – | 58 | 38 |
| N660 | GPF (General Purpose Furnace) | 36 | 90 | – | 58 | 38 |
| N683 | GPF | 35 | 133 | – | 55 | 37 |
| N754 | SRF-LS (Semi-Reinforcing Furnace – Low Structure) | 24 | 58 | – | 72 | 29 |
| N762 | SRF-LS | 27 | 65 | – | 70 | 29 |
| N765 | SRF | 31 | 115 | – | 65 | 33 |
| N774 | SRF (Semi-Reinforcing Furnace) | 29 | 72 | – | 72 | 30 |
| N787 | SRF | 30 | 80 | – | 70 | 32 |
| N907 | MT (Medium Thermal) | – | 34 | – | 250 | 11 |
| N908 | MT | – | 34 | – | 250 | 9 |
| N990 | MT (Medium Thermal) | – | 38 | – | 280 | 12 |
| N991 | MT | – | 35 | – | 280 | 10 |
Data compiled from ASTM D1765 classification tables and industry technical datasheets.
4. Chemical Specifications Table (Typical for All Grades)
| Component | Specification |
|---|---|
| Carbon Content | ≥ 97% |
| Ash Content | ≤ 0.75% (varies by grade) |
| Heating Loss | ≤ 2.5% |
| Pour Density | 300 – 500 kg/m³ (varies by grade) |
| pH | 6 – 10 (varies by grade) |
| Volatile Matter | ≤ 2.0% |
| Sulfur Content | ≤ 0.5% |
| Standard | ASTM D1765 |
5. Applications and Industries
Products That Can Be Manufactured:
Tire Treads: N110, N220, N234 for high-abrasion resistance in passenger and truck tires.
Tire Sidewalls: N330, N550 for flex resistance and crack growth resistance.
Rubber Hoses and Belts: N550, N660, N774 for reinforcement and flexibility.
Molded Rubber Goods: N330, N550 for seals, gaskets, and grommets.
Plastics Masterbatch: N330, N550, SHP50 for black masterbatch and polymer compounds.
Inks and Coatings: High-color grades for printing inks and pigmented coatings.
Cable Compounds: N550, N660 for cable sheathing and insulation.
Conductive Products: Conductive grades for anti-static and conductive applications.
Industries and Factories That Can Use This Product:
Tire Manufacturing Plants: All grades for tire compounds.
Rubber Processing Plants: N330, N550, N660 for general rubber goods.
Plastics Masterbatch Producers: N330, N550, SHP50 for black masterbatch.
Ink and Coating Manufacturers: High-color grades for printing inks.
Cable Manufacturing Plants: N550, N660 for cable compounds.
Industrial Rubber Product Factories: N330, N550 for molded and extruded goods.
Automotive Parts Manufacturers: N330, N550 for rubber components.
6. Key Properties & Advantages
Iranian carbon black offers a full range of ASTM grades, high reinforcing properties, excellent abrasion resistance, good tensile strength, consistent quality, and reliable supply. The selection of the correct grade depends on the required balance of reinforcement (iodine adsorption), structure (DBP absorption), and processing characteristics. Iranian manufacturers have recently introduced strategic grades including N-299 (for tire reinforcement), N-121 (with particle size < 20 nm for improved strength and abrasion resistance), and SHP50 (with particle size < 45 nm for black masterbatch and polymer compounds).
7. Chemical Formula / Size & Packaging Specifications
Chemical Formula: C (Carbon)
CAS Number: 1333-86-4
Packaging Options: 25 kg bags, 1 MT jumbo bags, bulk tankers
8. Available Grades, Sizes, Qualities & Custom Colors
| Grade Category | ASTM Grades | Primary Application |
|---|---|---|
| Super Abrasion Furnace (SAF) | N110, N115, N120, N121, N134 | Aircraft tires, high-abrasion products |
| Intermediate SAF (ISAF) | N220, N231, N234, N293, N299 | Truck tires, high-abrasion products |
| High Abrasion Furnace (HAF) | N326, N330, N335, N339, N347, N351, N358, N375 | Tire treads, industrial rubber goods |
| Fast Extruding Furnace (FEF) | N539, N550 | Carcass compounds, inner tubes, extrusions |
| General Purpose Furnace (GPF) | N630, N642, N650, N660, N683 | Carcass compounds, low heat build-up |
| Semi-Reinforcing Furnace (SRF) | N754, N762, N765, N774, N787 | Inner tubes, hoses, low heat build-up |
| Medium Thermal (MT) | N907, N908, N990, N991 | High-modulus, low-deformation compounds |
Quality Grades: Rubber Grade, Tire Grade, Masterbatch Grade, Ink Grade. Custom Options: Custom grades and packaging available.
9. Sahi Rasa Supply Chain Department Services for International Factories
The department provides monthly supply planning, sourcing, sample dispatch, custom manufacturing, pre-shipment QC, loading, export documentation, international transportation, customs clearance, on-site technical support, and training.
Custom Packaging: The department offers custom packaging for carbon black, including bags, jumbo bags, and bulk tankers.
Sample Dispatch: The department provides sample dispatch for client testing and approval.
Disclaimer: The analyses and specifications provided are indicative and may vary. For exact analysis, please contact us directly.
10. Why Choose the Supply Chain Department at Sahi Rasa Company?
The department offers high-quality carbon black (all ASTM grades), custom packaging, sample dispatch, competitive pricing, and reliable export services to clients in Afghanistan, Iraq, Kurdistan, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia.
11. Ordering & Contact Information
Important Notice: Carbon products are available for commercial orders. For samples or custom packaging, please contact us directly.
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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