Đặc điểm lý tính tiêu biểu
Đặc tính |
Phương pháp |
SAE J1899 Grade 50 |
Typical W 100 |
||
SAE Viscosity grade |
|
|
50 |
||
Density |
@150C |
kg/m3 |
ASTM D4052 |
Report |
887 |
API Gravity |
ASTM D287 |
Report |
27.8 |
||
Kinematic Viscosity |
@400C |
mm2/s |
ASTM D445 |
Report |
204 |
Kinematic Viscosity |
@1000C |
mm2/s |
ASTM D445 |
16.3 to 21.9 |
18.1 |
Viscosity Index |
ASTM D2270 |
95 min |
> 96 |
||
Pour Point |
|
0C |
ASTM D5949 |
-18 max |
< -21 |
Flash Point |
|
0C |
ASTM D92 |
243 min |
> 250 |
Total Acid Number |
|
mgKOH/g |
ASTM D664/974 |
1.0 max |
< 0.5 |
Sulphur |
|
%m |
ASTM D4951 |
1.0 max |
0.38 |
Copper corrosion 3 hrs |
@1000C |
ASTM D130 |
1 max |
1a |
|
Ash Content |
|
%m |
ASTM D482 |
0.011 max |
< 0.004 |
Trace sediment |
|
ml/100ml |
ASTM D2273 |
Must pass |
Passes |
Foaming tendency |
ASTM D892 |
Must pass |
Passes |
||
Trace metal content |
|
ppm |
ASTM D4951 |
Must pass |
Passes |