Item |
Range |
Test method |
| Grade |
52 |
54 |
56 |
58 |
60 |
62 |
64 |
66 |
| Melting point / ¡æ |
52 - 54 |
54 - 56 |
56 - 58 |
58 - 60 |
60 - 62 |
62 - 64 |
64 - 66 |
66 - 68 |
GB/T 2539 |
| Oil content? w / % |
0.5 max |
GB/T 3554 |
| Color / Saybolt |
+ 28 min |
GB/T 3555 |
| Light stability / No. |
4.0 max |
SH/T 0404 |
| Needle penetration (25¡æ) / (1/10 mm) |
18.0 max |
16.0 max |
GB/T 4985 |
Kinematic viscosity (100¡æ) /  |
Report |
GB/T 265 |
| Odor / No. |
0 max |
SH/T 0414 |
| Water-soluble acid or alkali |
©¤ |
SH/T 0407 |
| Mechanical impurities & water |
Pass |
¡¡
|
| Readily carbonizable substance |
Pass |
GB/T 7364 |
| Polycyclic aromatic hydrocarbon |
280 nm ~ 289 nm¡¡ |
0.15 max |
GB/T 7363 |
| absorbency in ultraviolet / cm |
290 nm ~ 299 nm¡¡ |
0.12 max |
| ¡¡ |
300 nm ~ 359 nm¡¡ |
0.08 max |
| ¡¡ |
360 nm ~ 400 nm¡¡ |
0.02 max |