Very low saturation vapor pressure, vacuum degree will reached to 10-8kPa, superior to mineral diffusion pump oil
Excellent thermal stability, endure high temperature, not easy to oxidize under 200 ¡æ
and while being catalyzed by metal
Perform great volume flow rate and back stream rate character
Much better anti-oxidation than mineral oil does, difficult to oxidize when encountering
atmosphere
Resist to radiat, anti-fire
Application
Can be used in electrical, metallurgy, instrument industry for ultra high vacuum degree
Applied for heat carrier and instrument as transfer fluid
Suitable for industries requiring for ultra high vacuum degree such as spaceflight, nuclear
Typical data
Item / Model
HFV£KS 274
HFV£KS 275
Testing method
Kinematic viscosity
(25¡æ)£¬mm2 /s
38¡«42
165¡«185
GB/T265
Refractive Index (25¡æ)
1.550¡«1.560
1.5765¡«1.5785
GB/T614
Specific Gravity d 2525
1.060¡«1.070
1.090¡«1.100
GB/T1884
Flash Poin¡æ ¡Ý
210
243
GB/T3536
Saturation Vapor Pressure
kPa,25¡æ
5.0¡Á10-9
5.0¡Á10-10
SH/T0293
Ultimate pressure£¬kPa
5.0¡Á10-8
5.0¡Á10-9
SH/T0294
Note:Technical data above are values of typical sample,actual parameter will be get by measuring
products practically
