Dow Corning 704 DIFFUSION PUMP FLUID
Manufacturer | Dow Corning |
Trade Name | |
Port | Shanghai port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Category Siloxane
Description
Material Notes:
A clear, tetramethyltetra-phenyltrisiloxane, single-component fluid for high vacuums of 10-7 to 10-8 torr range (untrapped) and 10-11 (trapped).Information provided by Dow Corning
Physical Properties | Metric | English | Comments |
---|---|---|---|
Specific Gravity | 1.07 g/cc
@Temperature 25.0 °C
|
1.07 g/cc
@Temperature 77.0 °F
|
|
Viscosity Measure | 39 cSt | 39 cSt | kinetic/kinematic |
Molecular Weight | 484 g/mol | 484 g/mol | |
Surface Tension | 37.3 dynes/cm | 37.3 dynes/cm |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
Heat of Vaporization | 107000 J/g
@Temperature 200 °C
|
45900 BTU/lb
@Temperature 392 °F
|
|
Boiling Point | 215 °C | 419 °F | |
Flash Point | 221 °C | 430 °F | open cup |
Processing Properties | Metric | English | Comments |
---|---|---|---|
Shelf Life | 60.0 Month | 60.0 Month |
Descriptive Properties | Value | Comments |
---|---|---|
Ultimate Vacuum (Torr) | 1E-11 | trapped |
1e-7 to 1e-8 | untrapped |