Product Description

275 Diffusion Pump Fluid Synonym 1, 1, 3, 5, 5-Pentaphenyl-1, 3, 5-trimethylsiloxane; 275 Ultra-high Vacuum Diffusion Pump Silicone Oil; Phenylmethylsiloxane Oligomers. CAS: 3390-61-2 Equivalent: DC-705 from Dow Corning; HIVAC F-5 from Shin-Etsu; MT-705. Specification Appearance...Colorless transparent liquid Viscosity at 25ºC, mm² Per S...165 Diopter at 25 ºC...1.09 min. Specific Gravity...1.090~1.100 Flash point, ºC...243 min. Condensation point, ºC...-14~-18 max. Ultimate Vacuum, PA...6.6*150-7 max. Saturated Vapor Pressure, PA...6.65*10-8 max Property and Application 275 Diffusion Pump Fluid has very low saturated vapor pressure and excellent heat stability as well as outstanding oxidation-resistant performance, the product is suitable for high vacuum industry, such as high vacuum smelting industry, high vacuum coating in electronic industry, atomic energy accelerators and electron microscopes and monitors, etc. YC-275 is the same as the DC-705 from Dow Corning, HIVAC F-5 from Shin-Etsu and MT-705 Transportation and Shelf life Transportation: 275 Diffusion Pump Fluid is transported as non-hazardous chemicals, keeping away from rain, sunlight, damping of avoiding contacting with acid and alkali impurities. Shelf life: Three years, it can be still used after being tested and qualified when exceeding the shelf-life. Packing 200kg Iron drum, 25kg or 50kg plastic drum, 950kg IBC drum.