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Carbon Black N550 specifications:
| Primary Analytical Test Properties: | Target Value | Recommended Specification |
ASTM STM* |
| Iodine Absorption Number, g/kg | 43 | 37/49 | D1510 |
| Oil Absorption No. [OAN] cm³ / 100g | 121 | 115/127 | D2414 |
| Tint Strength | 59 | 52/66 | Unlimited |
| Primary Analytical Test Properties: | Typical Value |
||
| Pour Density, lb/ft³ | 22.0 | 20.0/24.0 | D1513 |
| Fines Content, % Bulk shipments Bag shipments |
3.0 5.0 |
/6.0 /9.0 |
D1508 |
| Sieve Residue, ppm No. 325 mesh No. 35 mesh |
300 0 |
/200 /5 |
D1514 |
| Heat Loss, % Bulk shipments Bag Shipments |
1.0 1.0 |
/1.5 /2.0 |
D1509 |
*Annual Book of ASTM Standards, Vol. 09.01