Description
Description
275 Diffusion Pump Fluid is a colorless fluid designed for ultrahigh vacuum applications in the range of 10-9 to 10-10 torr (untrapped) and 10-11 torr (trapped).
Typical Properties
|
Property |
Value |
|
Molecular Description |
Penta phenyl-trimethyltri siloxane |
|
Ultimate Vacuum,torr (untrapped) |
10-9~10-10 |
|
Ultimate Vacuum,torr ( trapped) |
10-11 |
|
Viscosity 25 ℃ |
170-180 |
|
Refractive Index 25℃ |
1.5550~1.5870 |
|
Flash Point,open |
243 |
25kg drum or 200KG Iron druM
