Zhuhai Goldenchem Polymer Industrial Corp,
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Main products
Organosilicone
Organofluorosilicone
Specialty Monomer
Intermediate
Catalyst
Additives
Paint & Coating

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.

 
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