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KJLC Silicone Pump Fluids KJLC Silicone Pump Fluids 1 KJLC Silicone Pump Fluids 2

KJLC Silicone Pump Fluids

KJLC 704-T Diffusion Pump
Oil For Harsh Environments
Users of diffusion pumps for harsh processes or in non-optimized vacuum systems may be seeing crystallization of solids in their pump fluid, learn more.
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Specifications Table

Type
KJLC 704
KJLC 705
KJLC 704-T
Flash Point
220°C (Open Cup)
243°C (Open Cup)
220°C (Open Cup)
Boiling Point
@0.06 Torr (°C): 223
@0.06 Torr (°C): 245
@0.06 Torr (°C): 210
Specific Gravity
@25°C: 1.10 (g/cc)
@25°C: 1.09 (g/cc)
@25°C: 1.07 (g/cc)
Viscosity
41.2 cSt @ 25°C
@25°C, 165-185
37 cSt @ 25°C
Ultimate Vacuum (Torr)
Untrapped: 10-7 to 10-8 Trapped: to 10-11
Untrapped: 10-9 to 10-10 Trapped: to 10-11
Untrapped: 10-7 to 10-8 Trapped: to 10-11
Surface Tension
37.5 (dynes/cm)
36.5 (dynes/cm)
37.3 (dynes/cm)
Molecular Weight
484
546
490
Extrapolated Vapor Pressure
(Torr)
@25°C: 8.4 x 10-8
@25°C: 3 x 10-10
@25°C: 8.4 x 10-8
Typical Boiler Temp.
230
248 to 265
230
Heat of Vaporization
22.0/200°C (kcal/g mole)
28.2/250°C (kcal/g mole)
22.0/200°C (kcal/g mole)
Molecular Description
Tetamethyl Tetraphenyl Trisiloxane
Pentaphenyl Trimethyl Trisiloxane
Tetamethyl Tetraphenyl Trisiloxane
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Ordering Table

All dimensions listed below, unless otherwise stated, are in grams.

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Description Grade Size Weight Safety Data Sheet Part Number Price In Stock Add To Cart
Description Grade Size Weight Safety Data Sheet Part Number Price In Stock Add To Cart
SI DIFFUSION PUMP OIL,500CC 
KJLC 704 
 500 cc 
 2.4 lbs. 
SDS for 704BB
704BB
$84.00 In Stock
SILICONE DIFFUSION PUMP OIL,1 GALLON 
KJLC 704 
 1 gallon 
 8.5 lbs. 
SDS for 704CA
704CA
P.O.R. In Stock
PREMIUM SILICONE DIFFUSION PUMP OIL, 1 GALLON 
KJLC 704-T 
 1 gallon 
 8.5 lbs. 
SDS for 704CA-T
704CA-T
P.O.R. In Stock
SI DIFFUSION PUMP OIL,500CC 
KJLC 705 
 500 cc 
 2.4 lbs. 
SDS for 705BB
705BB
$150.00 In Stock
SI DIFFUSION PUMP OIL 8.3 LB,1 GALLON 
KJLC 705 
 1 gallon 
 8.5 lbs. 
SDS for 705CA
705CA
$805.00 In Stock
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