Introduction
TK-chem V6620 is a star-block viscosity index improver boasting excellent shear stability and remarkable VI enhancement capabilities. It is highly recommended for use in multigrade engine oils, particularly in low-viscosity and energy-saving engine oils such as 5W - 30.
Typical physical properties
|
Items |
Typical Value |
Test method |
|
Visual appearance |
Light yellow, transparent and viscous liquid |
Visual at 20℃ |
|
Viscosity at 100℃,mm2/s |
4800 |
ASTM D445 |
|
Color |
0.5 |
ASTM D1500 |
|
Density at 20℃,kg/m3 |
940 |
ASTM 4052 |
|
Flash point,℃ |
≥120 |
ASTM D92 |
|
SSI（30 Passes） |
10 |
ASTM D6278 |
Characteristics
? Excellent shear stability ? Ultra-high VI improvement
Typical treat rate
TK-chem V6620: 1%-20%wt, depends on the actual situation. For details, please consult our additive application engineer.
