Product Name: High Phenyl Content Silicone Oil Vacuum Diffusion Pump Oil Replace DC 275 Model NO.: FL-705 Colour: Colorless Quality: Industrial Appearance: Transparent Type: Synthesis Material Intermediates CAS No.: 3982-82-9 Viscosity: 35-40cst Transport Package: Plastic Drum, Iron Barrel, IBC Tank Specification: 25KG/drum, 50KG/drum, 200KG/drum, 1T/tank Origin: China HS Code: 3910000000 Product Description Structural Formula:Specification:ItemValueViscosity (25°C )mm2/s170~175 cstViscosity (40°C )mm2/s61-64 cstRefractive index 25°C1.576-1.578Specific Gravity1.090 ~ 1.100Flash Point °C≥ 243Pour Point °C≤ -14~-18Ultimate Vacuum, torr (untrapped)Max. 5 X 10-9saturated vapor pressure, PaMax. 6.65 X 10-10ApplicationWith 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.Transportation:Transport as non-hazardous chemicals, keeping away from rain and sunlight.Shelf life: 3 years. It still can be used after being tested and qualified when exceeding the shelf life-------------------------------------------------------------------------------------------------------------------------------------------------------