Diffusion Pump Fluid 275

Diffusion Pump Fluid is a kind of silicone fluid for high to ultra-high vacuum and for fast pumping of large volumes of gasor vapor in production operations. The grade 275 is the alternative to DC705 separately. Specification: 275 Chemical Name Trimethyl pentaphenyl trisiloxane CAS No. 3390-61-2 Ultimate Vacuum 1×10-9Torr Vapor Pressure at 25℃ 3×10-9 Torr Resistance to Oxidation Does not oxidize Latent Heat 230.5J/gm Molecular Weight 546 Flash Point About 300℃ Boiling Point