Difference between revisions of "Diffusion Pump Oil Cross-Reference"
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Latest revision as of 02:51, 20 July 2024
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
Name | Vapor Pressure | Viscosity 25°C | Boiling Point 0.5 torr | Flashpoint | Condensation Point | Density |
---|---|---|---|---|---|---|
DC 702[1] | 1 x 10⁻⁶ Torr | 45 mm²/s | 180°C | ≥ 193°C | °C | 1070 kg/m³ |
DC 704[2] | 2 x 10⁻⁸ Torr | 39 mm²/s | 215°C | 221°C | °C | 1070 kg/m³ |
DC 705[3] | 3 x 10⁻¹⁰ Torr | 175 mm²/s | 245°C | 243°C | °C | 1090 kg/m³ |
Kurk J. Lekser Corporation
Silicone Oils
Name | Vapor Pressure | Viscosity 25°C | Boiling Point 0.06 torr | Flashpoint | Condensation Point | Density |
---|---|---|---|---|---|---|
KJLC 704[4] | 8.4 x 10⁻⁸ Torr | 46 mm²/s | 223°C | 220°C | °C | 1100 kg/m³ |
KJLC 704-T[5] | 8.4 x 10⁻⁸ Torr | 37 mm²/s | 210°C | 220°C | °C | 1070 kg/m³ |
KJLC 705[6] | 3 x 10⁻¹⁰ Torr | 165-185 mm²/s | 245°C | 243°C | °C | 1090 kg/m³ |
VacOil
Silicone Oils
Name | Vapor Pressure | Viscosity 25°C | Flashpoint | Condensation Point | Density |
---|---|---|---|---|---|
DP Grade 704[7] | 6.65 x 10⁻⁸ Torr | 36 mm²/s ± 4 mm²/s | ≥ 210°C | ≥ -35°C | 1050 ∼ 1080 kg/m³ |
Leybold
Hydrocarbon Oils
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[8] | 4 · 10⁻⁹ mBar | mm²/s | °C | > 250 °C | °C | 868 kg/m³ |
LVO 521[9] | 6 · 10⁻⁶ mBar | mm²/s | °C | 196 °C | °C | 885 kg/m³ |
Silicone Oils
Name | Vapor Pressure | Viscosity 25°C | Boiling Point 0.06 torr | Flashpoint | Condensation Point | Density |
---|---|---|---|---|---|---|
LVO 521[10] | 3 · 10⁻¹⁰ mBar | mm²/s | °C | 240 °C | °C | 1095 kg/m³ |
Santovac
Polyphenyl Ether Oils
Name | Vapor Pressure | Viscosity 38°C | Viscosity 90°C | Viscosity 260°C | Boilding Point 0.5 Torr | Flashpoint | Condensation Point | Density |
---|---|---|---|---|---|---|---|---|
Santovac 5[11] | 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
Name | Vapor Pressure | Viscosity 20°C | Viscosity 40°C | Flashpoint | Pour Point | Density |
---|---|---|---|---|---|---|
AP201[12] | 4 x 10⁻⁶ Torr | 76 mm²/s | 22 mm²/s | 196°C | -30°C | 885 kg/m³ |
Cambridge Mill Products
Silicone Oils
Name | Vapor Pressure | Viscosity 25°C | Flashpoint | Density |
---|---|---|---|---|
CMP 704[13] | 10⁻⁶ to 10⁻⁸ Torr | mm²/s | 221°C | 1070 kg/m³ |
Ideal Vacuum Products
Silicone Oils
Name | Vapor Pressure | Viscosity 25°C | Boiling Point | Flashpoint | Density |
---|---|---|---|---|---|
IVP 702[14] | 45 mm²/s | 180°C | 193°C | 1090 kg/m³ | |
IVP 704[15] | 39 mm²/s | 215°C | 221°C | 1065 kg/m³ | |
IVP 705[16] | 175 mm²/s | 245°C | 243°C | 1090 kg/m³ |
Varian
Polyphenyl Ether Oils
Name | Vapor Pressure | Viscosity 38°C | Viscosity 90°C | Viscosity 260°C | Boilding Point 0.5 Torr | Flashpoint | pour Point | Density |
---|---|---|---|---|---|---|---|---|
Neovac SY [17] | mm²/s | mm²/s | mm²/s | 275 °C | 287°C | 40°F | 1195 - 1201 kg/m³ |
References
- ↑ Kurt J. Lesker Specifications Table DC702
- ↑ Kurt J. Lesker Specifications Table DC704
- ↑ Kurt J. Lesker Specifications Table DC705
- ↑ Kurt J. Lesker Specifications Table KJLC 704 & KJLC 704-T & KJLC 705
- ↑ Kurt J. Lesker Specifications Table KJLC 704 & KJLC 704-T & KJLC 705
- ↑ Kurt J. Lesker Specifications Table KJLC 704 & KJLC 704-T & KJLC 705
- ↑ VacOil® DP Grade 704 Diffusion Pump Oil - 500 cc/ml Specifications
- ↑ Fette Triebmittel Katalog Leybold S24
- ↑ Fette Triebmittel Katalog Leybold S24
- ↑ Fette Triebmittel Katalog Leybold S24
- ↑ Santovac 5(P) - Diffusion Pump Oil & Ultra Polyphenyl Ether Pump Fluid Specifications Table
- ↑ ApiezonAP201 DataSheet 1a Page 4
- ↑ Cambridge CMP 704 Silicone Diffusion Pump Fluid MSDS.pdf
- ↑ IVP 702 Diffusion Pump Oil SDS
- ↑ IVP 704 Diffusion Pump Oil SDS
- ↑ IVP 705 Diffusion Pump Oil SDS.pdf
- ↑ Santovac 5 Polyphenyl Ether Lubricant Diffusion Pump Oil SDS.pdf