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silicon 74 / Silicon 75 Fluids as diffusion pump silicone oil for vacuum Nano Semi industry
- Category: Energy Chemicals >>>
- Supplier: Anhui Zhan-Oil Inc.
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Product Overview
Description
Product Description
diffusion pump oil Performance
Phenyl methyl silicones are generally recognized as very effective pumping fluids for diffusion pumps. They offer excellent resistance to oxidation and are thermally and chemically stable.
diffusion pump oil
Zhan-oil 704 silicone oil is a tetramethyltetraphenyltrisiloxane with low vapor pressure and great thermal stability, it is desirable in process such as vacuum coating, metallurgical works and various other applications. It provides fast pump down times with good ultimate pressure characteristics 1x10-8 Torr.
diffusion pump oil
The Zhan-oil 704 silicone oil for diffusion pumps can be alternatively used to the silicone oil DC704, INVOIL 704, CVC-4, Hivac F4, AN174, INDOMET TETRA, etc. These oils have the same chemical formulation and can be mixed.
diffusion pump oil
Appearance | colorless clear liquid |
Vapor pressure at 25C (torr) | 10E-7 to 10E-8 |
Boiling point at 25C | 215 |
Density at 25C(g/ml) | 1.07 |
Viscosity at 25C | 39 |
Flash point (C) | Min. 210 |
Pour point (C) | <-20 |
Molecular weight | 484 |
Surface tension (nM/m) | 37 |
Available packing | 3.8kg pail, 25kg barrel, 200kg drum |
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