Product Description

274 Ultra-high Vacuum Diffusion Pump Silicone Oil Synonym 1, 1, 5, 5-Tetraphenyl-1, 3, 3, 5-tetramethyltrisiloxane; 1, 1, 5, 5-Tetraphenyltetramethyltrisiloxane; 1, 3, 3, 5-Tetramethyl-1, 1, 5, 5-tetraphenyltrisiloxane; 274 Ultra-high Vacuum Diffusion Pump Silicone Oil; Phenylmethylsiloxane Oligomers; Dimethylbis(methyldiphenylsilyloxy)silane CAS: 3982-82-9 Equivalent: DC-704 from Dow Corning; HIVAC F-4 from Shin-Etsu; MT-704. Specification Appearance...Colorless transparent liquid Viscosity at 25ºC, mm² Per S...32~40 Diopter at 25 ºC...1.05 min. Specific Gravity...1.050~1.080 Flash point, ºC...210 min. Condensation point, ºC...-35 max. Ultimate Vacuum, PA...3.99*10-7 max. Saturated Vapor Pressure, PA...6.65*10-8 max. Property and Application 274 Ultra-high Vacuum Diffusion Pump Silicone Oil is colorless transparent liquid oil, it has a wide range of applications with very low saturation vapor pressure, good thermal stability and excellent oxidation resistance, such as high vacuum smelting industries, industrial tubes, light bulbs, high vacuum coating (film). YC-274 is identical to DC-704, MT-704 and HIVAC F-4. Transportation and Shelf life Transportation: 274 Ultra-high Vacuum Diffusion Pump Silicone Oil 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. Package 200kg Iron drum, 25kg or 50kg plastic drum, 950kg IBC drum.