Technical specifications include a chemical composition of Pentaphenyl trimethyl trisiloxane, with an ultimate vacuum of one time 10 to the minus 9 to 10 to the minus 10 torr, an extrapolated vapor pressure of three times 10 to the minus 10 torr at 25 degrees Celsius, a specific gravity of from 1.090 to 1.100, and viscosities of from 170 to 175 cSt at 25 degrees Celsius and from 61 to 64 cSt at 40°C. It has a flash point of more than 243 degrees Celsius, a refractive index of from 1.5765 to 1.5785 at 25 degrees Celsius, and a congealing point of less than from minus 14 to 18 degrees Celsius.
Silicone Diffusion Pump Oil IOTA 705-IOTA
