274# Ultrahigh Vacuum Diffusion Pump Silicone Oil （Equal to DC 704 )

Organic silicone chemicals

Index No.:

km-368

Products Name

274# Ultrahigh Vacuum Diffusion Pump Silicone Oil （Equal to DC 704 )

CAS No.:

63148-58-3

Introduction

CODE: km-368
Chemical nature	274# Ultrahigh Vacuum Diffusion Pump Silicone Oil
Chemical nature	CAS No	63148-58-3
Properties	Appearance	colorless transparent oil
	Kinematic viscosity(25℃)(mm2/s)	36 - 44
	Freezing point(℃)	- 38max
	Refractive index(25℃),n_D²⁵	1.550 -1.560
	Flashing point(℃) (open cup)	210
	Relative density(25/25℃) (g/cm³)	1.06 - 1.07
	Ultimate vacuum (mmHg)	5×10^-7
Package	5KG/ drum or 20kg/ drum

Performance and Application
The product is colorless transparent oil liquid with good resistance to oxidation, lower saturated vapor pressure, high vacuum and stable performance, as well as long service life. It is mainly suitable for Ultra-high Vacuum Diffusion Pump used in areas of electronics, metallurgy, and instrument manufacturing, and can also be used as transmission fluid in high-temperature carriers and various instruments.

Equal to Dow Corning 704, MT-704, and HIVAC-F-4

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

Package
200 kg Iron Drum, or 25/50kg plastic Drums, or 950kg Totes(IBC).

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