الزيت الأساسي (Bitumen)
التحلیل الکیمیائی:
|
Characteristic |
SN 150 | SN 500 | SN 650 | Test Method ASTM |
|
Kinematic viscosity@ 100◦C,cSt |
6.5 | 10.5 | 13 | D-445 |
|
Kinematic viscosity@ 40◦C,cSt |
45 | 101 | 140 | |
|
Viscosity index (VI) |
90 | 95 | 85 | D-2270 |
|
Flash point, ◦C |
195 | 240 | 260 | D-92 |
|
Pour point, ◦C |
3- | 6- | 6- | D-97 |
|
Specific gravity @ |
0.89 | 0.88 | 0.895 | D-4052 |
|
15.6 ◦C/ 15.6◦C |
||||
|
Sulphur content, (wt%) |
-- | 0.4 | 3 | D-2622 |
|
Color |
2.5 | 1.5 | 0.7 | D-1500 |
|
TAN, mg KOH/g |
0.05> | 0.05> | 0.05 | D-664 |
|
Carbon residue content, (wt %) |
0.04 | 0.12 | 0.2 |
D-189 |
