Description
Description
LC-V series are perfluoropolyether intert oils for vacuum pumps. The products are fully fluorinated polymers,these are only fluorine,carbon and oxygen atoms in the polymers chain.
Features & Benefits
LC-V series are perfluoropolyether intert oils for vacuum pumps. The products are fully fluorinated polymers,these are only fluorine,carbon and oxygen atoms in the polymers chain.
Features & Benefits
- Low vapor pressure
- Low volatility
- Good lubricity
- Good compatibility
- Used for rotary vane pumps,mechanical pumps,sealing lubrication
- Molecular pump lubrication,roots pump lubrication and diffusion pump inert fluid.
|
Property |
60V6 |
140V6 |
160V6 |
250V6 |
|
Average molecular weight a.m.u. |
1800 |
2500 |
2700 |
3300 |
|
Density 20 ℃ g/cm3 |
1.88 |
1.89 |
1.89 |
1.9 |
|
Viscosity 20 ℃ cSt |
64 |
145 |
165 |
275 |
|
Viscosity 40 ℃ cSt |
23 |
46 |
51 |
76 |
|
Vapor Pressure torr |
|
|
|
|
|
20℃ |
3x10-6 |
2x10-7 |
2x10-6 |
6x10-8 |
|
100℃ |
3x10-3 |
2x10-4 |
2x10-4 |
6x10-5 |
|
Pour point ℃ |
-50 |
-48 |
-46 |
-42 |
|
Heat of vaporization 200℃ cal/g |
11 |
8 |
8 |
7 |
|
Surface Tension dyne/cm |
21 |
22 |
22 |
22 |
|
Total pressure torr |
1.7x10-3 |
1.4x10-3 |
1.3x10-3 |
1.1x-10-3 |
|
Operating temperature ℃ |
-50-150 |
-48-180 |
-46-195 |
-42-195 |
Package: 1KG or 5KG plastic barrel
