Product Description
Chemical nature:
275# Ultrahigh Vacuum Diffusion Pump Silicone Oil
CAS No: 63148-58-3
Appearance:colorless transparent liquid
Kinematic viscosity(25℃) (mm2/s):165 – 185
Freezing point (℃):-14max
Refractive index(25℃),n D 25:1.5765 – 1.5785
Flashing point (℃)(open cup) : 243
Relative density(25/25℃)(g/cm3): 1.09 – 1.12
Ultimate vacuum (mmHg): 5×10-9
Package:5kg/ drum or 20kg/ drum