| No. | Quality Specification | ASTM | N-220 | N-234 | N-326 | N-330 | N-339 | N-375 | N-550 | N-660 | N-772 |
| 1 | Iodine Adsorption Number,(g\kg) | D1510 | 121(-+)5 | 120(-+)5 | 82(-+)5 | 82(-+)5 | 90(-+)5 | 90(-+)5 | 43(-+)5 | 36(-+)5 | 30(-+)5 |
| 2 | Oil Absorption Number,(ml\100g) | D2414 | 114(-+)5 | 125(-+)5 | 72(-+)5 | 102(-+)5 | 120(-+)5 | 114(-+)5 | 121(-+)5 | 90(-+)5 | 65(-+)5 |
| 3 | Oil Absorption Number of Compressed Sample,(ml\100g) | D3493 | 98(-+)5 | 102(-+)5 | 68(-+)5 | 88(-+)5 | 99(-+)5 | 96(-+)5 | 85(-+)5 | 74(-+)5 | 59(-+)5 |
| 4 | Pour Density,(kg\m3) | D1513 | 355(-+)20 | 320(-+)20 | 455(-+)20 | 380(-+)20 | 345(-+)20 | 345(-+)20 | 360(-+)20 | 440(-+)20 | 520(-+)20 |
| 5 | Heating Loss,(max%) | D1509 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 6 | Toluene Solvent Discoloration,(min%) | D1618 | 85 | 85 | 85 | 85 | 85 | 85 | 75 | 75 | 60 |
| 7 | PH | D1512 | 7.5-9 | 7.5-9 | 7.5-9 | 7.5-9 | 7.5-9 | 7.5-9 | 7.5-9 | 7.5-9 | 7.5-9 |
| 8 | Fines Content-QBag,(max%) | D1508 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 9 | Fines Content-Bag,(max%) | D1508 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 10 | Individual Pellet Hardness-Max 20,(CN) | D3313 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| 11 | Individual Pellet Hardness-Ave 20,(CN) | D3313 | 10-40 | 10-40 | 10-40 | 10-40 | 10-40 | 10-40 | 10-40 | 10-40 | 10-40 |
| 12 | Sieve Residue-No 35 US Std max,(ppm) | D1514 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 13 | Sieve Residue-No 325 US Std max,(ppm) | D1514 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| 14 | Ash Content,(max%) | D1506 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 |
| 15 | Sulfur Content,(max%) | D1619 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 16 | NSA,(m2\gr) | D6556 | 114(-+)5 | 119(-+)5 | 78(-+)5 | 78(-+)5 | 91(-+)5 | 93(-+)5 | 40(-+)5 | 35(-+)5 | 32(-+)5 |
| 17 | STSA,(m2\gr) | D6556 | 106(-+)5 | 112(-+)5 | 76(-+)5 | 75(-+)5 | 88(-+)5 | 91(-+)5 | 39(-+)5 | 34(-+)5 | 30(-+)5 |
| 18 | Tint Strength (%) | D3256 | 116(-+)5 | 123(-+)5 | 111(-+)5 | 104(-+)5 | 111(-+)5 | 114(-+)5 | ……. | ……. | …… |
| 19 | Particle Size (nm) | …… | 20-25 | 20-25 | 26-30 | 26-30 | 26-30 | 26-30 | 40-48 | 49-60 | 61-100 |
