CARBON BLACK N220
Other Name: Intermediate Super Abrasion Furnace Black; ISAF
Physical & Chemical Properties: Carbon black N220 with high re-enforcement property is a widely used furnace black. It has high structure, and its abrasion is between those of super abrasion furnace black and high abrasion furnace black. Its iodine adsorption value is 121g/kg, and DBP adsorption is 114cm3/100g.
Application: Carbon black N220 is used in tread compounds of truck tire, passenger tire and high strength high abrasion rubber products, such as high strength conveyor belt and industrial rubber articles etc.
Performance Features
• High reinforcement
• High Tear Resistance
• Good Processing Characteristics
Typical Applications
• Passenger and truck tire tread
• Conveyor belt covers
• Hose
• Cots
• Rubber footwear
• Cable
• Rubber products
• Ink
• Coating
• Plastic
• Printing & Dyeing
| Test Items | Unit | Index |
| Iodine Adsorption Number | g/kg | 121±5 |
| Oil absorption Number(OAN) | 10-5m3/kg | 114±5 |
| Crushed OAN (COAN) | 10-5m3/kg | 93-103 |
| CTAB absorption surface Area-N2 | 103m2/kg | 105-117 |
| STSA | 103m2/kg | 106±5 |
| N2SA | 103m2/kg | 109-119 |
| Tint Test, Reflectance From ITRB | % | 111-121 |
| Moisture, Bulk& Bag (as shipped) | % | ≦2.0 |
| Ash content | % | ≦0.5 |
| 45μm Sieve residue | % | ≦0.05 |
| Impurity | / | None |
| Fines/Attrition | % | ≦8 |
| (Note l)(25g,No.120 US Std Sieve) | ||
| Pour density | kg/m3 | 355±40 |
| 300% stretching stress (SRB7#) | Mpa | ‘-2.0±1.0 |
