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

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