Chemical composition: Pentaphenyl trimethyl trisiloxane
Ultimate Vacuum, torr(untrapped): 5x(10-9~10-10)
Saturated Vapor Pressure, torr: 5x10-10
Specific Gravity: 1.090 ~ 1.100
Viscosity (25°C), cSt: 170~175
Viscosity (40°C), cSt: 61~64
Flash Point °C: ≥243
Refractive Index 25°C: 1.5765~1.5785
Congealing Point °C: ≤-14 ~ -18
Molecular Description: 546
Silicone Diffusion Pump Oil IOTA 705-IOTA (phenylsilicone.com)
