GC704&GC705
Typical Properties:
Product name
Specification |
GC704
Diffusion Pump Fluid |
GC705
Diffusion Pump Fluid |
Molecular
M.W. |
Tetramethyltetraphenyltrisiloxane
484 |
Penta phenyltrimethyltrisiloxane
546 |
Appearance |
colorless to straw colored liquid |
colorless to straw colored liquid |
Visocosity at 25 ℃ mm2/s |
40-45 |
165-185 |
Flashing point ℃ |
210 |
243 |
Condensation point ℃ |
---- |
-14 |
Specific Gravity at 25℃ g/cm3 |
1.060 – 1.070 |
1.090-1.100 |
Refractive index at 25 ℃ |
1.5500-1.5600 |
1.5765-1.5785 |
Ultimate Vacuum, Pa |
5.3 x10-6 |
5 x 10-9 |
Application:
It is widely used in high vacuum diffusion pump of electronic industry,metallurgic industry,
Instrument manufacture industry and also widely used as transmission liqid and heat-carrier at
High temperate in instruments.
Transportation:
Transport as non hazardous chemcials,keeping from rain and sunlight.
Shelf life:2 years.
Packing:on 200kg metal drum,20kg plastic drum. |