Difference between revisions of "Diffusion Pump Oil Cross-Reference"

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(Added more Apizon and other oils)
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   ! Name !! Vapor Pressure !! Viscosity 25°C !! Boiling Point 0.5 torr !! Flashpoint !! Condensation Point !! Density  
 
   ! Name !! Vapor Pressure !! Viscosity 25°C !! Boiling Point 0.5 torr !! Flashpoint !! Condensation Point !! Density  
 
   |-
 
   |-
   | DC 702<ref>[https://www.lesker.com/newweb/fluids/diffpumpoils-silicone-dowcorning/dc702/ Kurt J. Lesker Specifications Table DC702]</ref> ||  1 x 10⁻⁶ Torr || 45 mm²/s || 180°C || ≥ 193°C || °C || 1070 kg/m³
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   | DC 702<ref name="DC_DC702">[https://www.lesker.com/newweb/fluids/diffpumpoils-silicone-dowcorning/dc702/ Kurt J. Lesker Specifications Table DC702]</ref> ||  1 x 10⁻⁶ Torr <ref name="DC_DC702"/> <ref name="Pirani_1961"/> || 45 mm²/s <ref name="DC_DC702"/>|| 180°C <ref name="DC_DC702"/> <ref name="Pirani_1961"/>|| ≥ 193°C <ref name="DC_DC702"/>|| °C || 1070 kg/m³ <ref name="DC_DC702"/>
 
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   | DC 703<ref name="Pirani_1961">M. Pirani & J. Yarwood, Principles of Vacuum Engineering, (London: Chapman and Hall, 1961), Page 61 Table 2.2</ref> ||  1 x 10⁻⁷ Torr <ref name="Pirani_1961"/> ||  mm²/s || 200°C <ref name="Pirani_1961"/> || °C || °C || 1090 kg/m³ <ref name="Pirani_1961"/>
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   | DC 703 <ref name="Pirani_1961">M. Pirani & J. Yarwood, Principles of Vacuum Engineering, (London: Chapman and Hall, 1961), Page 61 Table 2.2</ref> ||  1 x 10⁻⁷ Torr <ref name="Pirani_1961"/> ||  mm²/s || 200°C <ref name="Pirani_1961"/> || °C || °C || 1090 kg/m³ <ref name="Pirani_1961"/>
 
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   | DC 704<ref>[https://www.lesker.com/newweb/fluids/diffpumpoils-silicone-dowcorning/dc704/ Kurt J. Lesker Specifications Table DC704]</ref> ||  2 x 10⁻⁸ Torr || 39 mm²/s || 215°C || 221°C || °C || 1070 kg/m³
 
   | DC 704<ref>[https://www.lesker.com/newweb/fluids/diffpumpoils-silicone-dowcorning/dc704/ Kurt J. Lesker Specifications Table DC704]</ref> ||  2 x 10⁻⁸ Torr || 39 mm²/s || 215°C || 221°C || °C || 1070 kg/m³
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|}
 
|}
  
[[Category:Cross Refference]]
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[[Category:Pages with reference errors]]
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= Kurk J. Lekser Corporation =
 
= Kurk J. Lekser Corporation =
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   |+ Physical Properties
 
   |+ Physical Properties
 
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   ! Name !! Vapor Pressure !! Viscosity 20°C !! Viscosity 40°C !! Flashpoint !! Pour Point !! Density  
+
   ! Name !! Vapor Pressure !! Viscosity 20°C !! Viscosity 40°C !! Boiling Point (at 10⁻² Torr) !!Flashpoint !! Pour Point !! Density !! Molecular Weight
 +
  |-
 +
  | A || 2 x 10⁻⁵ Torr<ref name="Pirani_1961"/> || mm²/s || mm²/s || 110°C<ref name="Pirani_1961"/> || °C || °C || 873.5 kg/m³<ref name="Pirani_1961"/> (at 15°C) || 414 Da<ref name="Pirani_1961"/>
 +
  |-
 +
  | B  || 4 x 10⁻⁷ Torr<ref name="Pirani_1961"/> || mm²/s || mm²/s || 125°C<ref name="Pirani_1961"/> || °C || °C || 871 kg/m³<ref name="Pirani_1961"/> (at 15°C)|| 468 DA<ref name="Pirani_1961"/>
 +
  |-
 +
  | C || 1 x 10⁻⁸ Torr<ref name="Pirani_1961"/> || mm²/s || mm²/s || °C || °C || °C || kg/m³ || 574 DA<ref name="Pirani_1961"/>
 +
  |-
 +
  | G || 1 x 10⁻⁶ Torr<ref name="Pirani_1961"/> || mm²/s || mm²/s || °C || °C || °C || kg/m³ ||
 +
  |-
 +
  | BW || 1 x 10⁻⁷ Torr<ref name="Pirani_1961"/> || mm²/s || mm²/s || °C || °C || °C || kg/m³ ||
 
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   | AP201<ref>[https://www.idealvac.com/files/manuals/ApiezonAP201_DataSheet_1a.pdf ApiezonAP201 DataSheet 1a Page 4]</ref> || 4 x 10⁻⁶ Torr || 76 mm²/s || 22 mm²/s || 196°C || -30°C || 885 kg/m³
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 +
   | AP201<ref>[https://www.idealvac.com/files/manuals/ApiezonAP201_DataSheet_1a.pdf ApiezonAP201 DataSheet 1a Page 4]</ref> || 4 x 10⁻⁶ Torr || 76 mm²/s || 22 mm²/s || °C || 196°C || -30°C || 885 kg/m³ ||
 
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= Concolidated Electrodynamics Corporation =
 +
== Hydrocarbon Oils ==
 +
Amoil is the chemical i-diamyl sebacate<ref name="Pirani_1961"/>
 +
{| class="wikitable" style="text-align:center;"
 +
  |+ Physical Properties
 +
  |-
 +
  ! Name !! Vapor Pressure !! Viscosity 25°C !! Boiling Point !! Flashpoint !! Density !! Molecular Weight !! Formula
 +
  |-
 +
  | Amoil ||  1 x 10⁻⁵ torr <ref name="Pirani_1961"/> ||  mm²/s || 111°C <ref name="Pirani_1961"/>|| °C ||  1019 kg/m³ <ref name="Pirani_1961"/> || 306.2 Da <ref name="Pirani_1961"/>|| C₆H₄(COOC₅H₁₁)₂ <ref name="Pirani_1961"/>
 +
  |-
 +
  | Amoil S ||  1 x 10⁻⁶ torr <ref name="Pirani_1961"/> ||  mm²/s || 111°C <ref name="Pirani_1961"/> || °C ||  925.1 kg/m³ <ref name="Pirani_1961"/> || 343.3 Da <ref name="Pirani_1961"/> || C₈H₁₆(COOC₅H₁₁)₂ <ref name="Pirani_1961"/>
 +
  |-
 +
|}
 
= References =
 
= References =
  
 
[[Category:Cross Refference]]
 
[[Category:Cross Refference]]
 
[[Category:Pages with reference errors]]
 
[[Category:Pages with reference errors]]

Revision as of 01:05, 23 January 2025

Unlike the Turbomolecular Pump the Diffusion Pump recquires a working fluid to move gas molecules. This fluid is commonly reffered to as an oil, due to the fluids resembling oils in feel and consitency. Below is a list of various Diffusion Pump Oils and their physical properties.


Dow Corning

Silicone Oils

Physical Properties
Name Vapor Pressure Viscosity 25°C Boiling Point 0.5 torr Flashpoint Condensation Point Density
DC 702[1] 1 x 10⁻⁶ Torr [1] [2] 45 mm²/s [1] 180°C [1] [2] ≥ 193°C [1] °C 1070 kg/m³ [1]
DC 703 [2] 1 x 10⁻⁷ Torr [2] mm²/s 200°C [2] °C °C 1090 kg/m³ [2]
DC 704[3] 2 x 10⁻⁸ Torr 39 mm²/s 215°C 221°C °C 1070 kg/m³
DC 705[4] 3 x 10⁻¹⁰ Torr 175 mm²/s 245°C 243°C °C 1090 kg/m³



Kurk J. Lekser Corporation

Silicone Oils

Physical Properties
Name Vapor Pressure Viscosity 25°C Boiling Point 0.06 torr Flashpoint Condensation Point Density
KJLC 704[5] 8.4 x 10⁻⁸ Torr 46 mm²/s 223°C 220°C °C 1100 kg/m³
KJLC 704-T[6] 8.4 x 10⁻⁸ Torr 37 mm²/s 210°C 220°C °C 1070 kg/m³
KJLC 705[7] 3 x 10⁻¹⁰ Torr 165-185 mm²/s 245°C 243°C °C 1090 kg/m³

VacOil

Silicone Oils

Physical Properties
Name Vapor Pressure Viscosity 25°C Flashpoint Condensation Point Density
DP Grade 704[8] 6.65 x 10⁻⁸ Torr 36 mm²/s ± 4 mm²/s ≥ 210°C ≥ -35°C 1050 ∼ 1080 kg/m³

Leybold

Hydrocarbon Oils

Physical Properties
Name Vapor Pressure Viscosity 25°C Boiling Point 0.06 torr Flashpoint Condensation Point Density
Diffilen Leicht mm²/s °C °C °C kg/m³
Diffilen mm²/s °C °C °C kg/m³
Diffilen Extra mm²/s °C °C °C kg/m³
Diffilen Ultra mm²/s °C °C °C kg/m³
LVO 500[9] 4 · 10⁻⁹ mBar mm²/s °C > 250 °C °C 868 kg/m³
LVO 521[10] 6 · 10⁻⁶ mBar mm²/s °C 196 °C °C 885 kg/m³

Silicone Oils

Physical Properties
Name Vapor Pressure Viscosity 25°C Boiling Point 0.06 torr Flashpoint Condensation Point Density
LVO 521[11] 3 · 10⁻¹⁰ mBar mm²/s °C 240 °C °C 1095 kg/m³

Santovac

Polyphenyl Ether Oils

Physical Properties
Name Vapor Pressure Viscosity 38°C Viscosity 90°C Viscosity 260°C Boilding Point 0.5 Torr Flashpoint Condensation Point Density
Santovac 5[12] 4 x 10⁻¹⁰ Torr 363 mm²/s 13.1 mm²/s 1.2 mm²/s 275 °C 288°C 1198 kg/m³

Apiezon

Hydrocarbon Oils

Physical Properties
Name Vapor Pressure Viscosity 20°C Viscosity 40°C Boiling Point (at 10⁻² Torr) Flashpoint Pour Point Density Molecular Weight
A 2 x 10⁻⁵ Torr[2] mm²/s mm²/s 110°C[2] °C °C 873.5 kg/m³[2] (at 15°C) 414 Da[2]
B 4 x 10⁻⁷ Torr[2] mm²/s mm²/s 125°C[2] °C °C 871 kg/m³[2] (at 15°C) 468 DA[2]
C 1 x 10⁻⁸ Torr[2] mm²/s mm²/s °C °C °C kg/m³ 574 DA[2]
G 1 x 10⁻⁶ Torr[2] mm²/s mm²/s °C °C °C kg/m³
BW 1 x 10⁻⁷ Torr[2] mm²/s mm²/s °C °C °C kg/m³
AP201[13] 4 x 10⁻⁶ Torr 76 mm²/s 22 mm²/s °C 196°C -30°C 885 kg/m³

Cambridge Mill Products

Silicone Oils

Physical Properties
Name Vapor Pressure Viscosity 25°C Flashpoint Density
CMP 704[14] 10⁻⁶ to 10⁻⁸ Torr mm²/s 221°C 1070 kg/m³

Ideal Vacuum Products

Silicone Oils

Physical Properties
Name Vapor Pressure Viscosity 25°C Boiling Point Flashpoint Density
IVP 702[15] 45 mm²/s 180°C 193°C 1090 kg/m³
IVP 704[16] 39 mm²/s 215°C 221°C 1065 kg/m³
IVP 705[17] 175 mm²/s 245°C 243°C 1090 kg/m³

Varian

Polyphenyl Ether Oils

Physical Properties
Name Vapor Pressure Viscosity 38°C Viscosity 90°C Viscosity 260°C Boilding Point 0.5 Torr Flashpoint pour Point Density
Neovac SY [18] mm²/s mm²/s mm²/s 275 °C 287°C 40°F 1195 - 1201 kg/m³

Concolidated Electrodynamics Corporation

Hydrocarbon Oils

Amoil is the chemical i-diamyl sebacate[2]

Physical Properties
Name Vapor Pressure Viscosity 25°C Boiling Point Flashpoint Density Molecular Weight Formula
Amoil 1 x 10⁻⁵ torr [2] mm²/s 111°C [2] °C 1019 kg/m³ [2] 306.2 Da [2] C₆H₄(COOC₅H₁₁)₂ [2]
Amoil S 1 x 10⁻⁶ torr [2] mm²/s 111°C [2] °C 925.1 kg/m³ [2] 343.3 Da [2] C₈H₁₆(COOC₅H₁₁)₂ [2]

References