VacOil® Specification Chart

Compare VacOil vacuum pump oil grades by vapor pressure, viscosity, flash point, pour point, applications, and available container sizes.

Standard Vacuum Pump Oil

19 Grade

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Designed for direct-drive rotary vane pumps, 19 Grade delivers low vapor pressure to reduce backstreaming while improving pump performance and extending oil life. Excellent thermal stability helps resist oxidation and sludge formation, reducing maintenance and keeping pumps running cooler.

Vapor Pressure @ 25°C < 1 × 10−5 Torr
Viscosity @ 40°C 59 cSt
Flash Point 235°C / 455°F
Pour Point −18°C / 0°F
Specific Gravity 0.86 g/ml

Typical Applications

  • Direct drive rotary vane pumps
  • Optical and decorative coatings
  • Leak detection
  • Freeze drying
  • Mass spectrometry
  • General laboratory applications

Available Sizes

  • 1 gallon
  • 5 gallons
  • 55 gallons

Standard Plus Vacuum Pump Oil

195 Grade

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Designed for belt-drive rotary vane and piston pumps, 195 Grade features a higher-viscosity formulation for demanding applications. It provides excellent vapor pressure, superior thermal stability, and outstanding resistance to oxidation and sludge formation for long-lasting performance.

Vapor Pressure @ 25°C < 3 × 10−6 Torr
Viscosity @ 40°C 92 cSt
Flash Point 270°C / 518°F
Pour Point −8°C / 18°F
Specific Gravity 0.88 g/ml

Typical Applications

  • Mechanical vacuum pumps under 300 CFM
  • Belt-drive rotary vane pumps
  • Optical and decorative coatings
  • Leak detection
  • Freeze drying
  • Sputtering and heat treating
  • Vacuum furnaces

Available Sizes

  • 1 gallon
  • 5 gallons
  • 55 gallons

Standard Ultra Vacuum Pump Oil

20 Grade

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Designed for rotary vane pumps, high-vacuum blowers, and diffusion pump systems, 20 Grade offers exceptionally low vapor pressure to minimize backstreaming and cross-contamination. Its low volatility, corrosion resistance, and extended oil life make it ideal for high-vacuum applications.

Vapor Pressure @ 25°C < 1 × 10−6 Torr
Viscosity @ 40°C 60 cSt
Flash Point 271°C / 520°F
Pour Point −15°C / 5°F
Specific Gravity 0.869 g/ml

Typical Applications

  • Diffusion pumps
  • Direct-drive rotary vane pumps
  • Optical and decorative coatings
  • Leak detection
  • Freeze drying
  • Mass spectrometry
  • Sputtering

Available Sizes

  • 1 quart
  • 1 gallon
  • 5 gallons
  • 55 gallons

Large-Capacity Vacuum Pump Oil

130 Grade

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Designed for rotary piston pumps from 150–300 CFM, 130 Grade is formulated for elevated operating temperatures up to 70°C / 160°F. Its high-viscosity formulation provides dependable lubrication and long service life in demanding industrial applications.

Vapor Pressure @ 25°C < 3 × 10−4 Torr
Viscosity @ 40°C 95 cSt
Flash Point 270°C / 518°F
Pour Point −12°C / 10°F
Specific Gravity 0.88 g/ml

Typical Applications

  • Large mechanical vacuum pumps
  • Vacuum blowers
  • Rotary piston pumps from 150 CFM to 300 CFM
  • Elevated operating temperatures

Available Sizes

  • 1 gallon
  • 5 gallons
  • 55 gallons

Full Synthetic Premium Vacuum Pump Oil

EZ Grade

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Designed for high-performance mechanical vacuum pumps, EZ Grade is double-distilled for maximum purity and extremely low vapor pressure. Its premium synthetic formulation resists thermal and chemical attack while delivering longer oil life and superior pump protection.

Vapor Pressure @ 25°C < 1 × 10−7 Torr
Viscosity @ 40°C 55 cSt
Flash Point 268°C / 515°F
Pour Point −54°C / −65°F
Specific Gravity 0.84 g/ml

Typical Applications

  • Semiconductor manufacturing
  • Thin film deposition
  • Plasma processing
  • Mass spectrometry
  • Leak detection
  • Scientific instrumentation

Available Sizes

  • 1 quart
  • 1 gallon
  • 5 gallons
  • 55 gallons

Universal Hydrocarbon Flushing Fluid

FF Grade

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Designed for cleaning mechanical vacuum pumps, FF Grade is a low-viscosity flushing fluid that removes sludge, particles, and oil contamination from internal components. It helps restore pump performance before refilling with fresh oil.

Vapor Pressure @ 25°C < 1 × 10−4 Torr
Viscosity @ 40°C 26 cSt
Flash Point 180°C / 356°F
Pour Point −12°C / 11°F
Specific Gravity 0.86 g/ml

Typical Applications

  • Flushing fluid for mechanical vacuum pumps using hydrocarbon fluids
  • Removing oil contamination and sludge
  • Cleaning internal pump passages

Available Sizes

  • 1 gallon
  • 5 gallons
  • 55 gallons

Freeze Dryer Vacuum Pump Oil

ECO Grade

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Designed for direct-drive rotary vane pumps and freeze-drying applications, ECO Grade provides dependable everyday performance with improved pump cooling, longer oil life, and reduced maintenance. Its quality formulation helps extend pump life while keeping operating costs low.

Vapor Pressure @ 25°C < 5 × 10−5 Torr
Viscosity @ 40°C 26 cSt
Flash Point 208°C / 395°F
Pour Point −18°C / 0°F
Specific Gravity 0.86 g/ml

Typical Applications

  • Freeze dryers
  • Direct-drive rotary vane vacuum pumps
  • Food preservation
  • Pharmaceutical processing
  • Laboratory freeze drying

Available Sizes

  • 1 gallon
  • 2 gallons
  • 4 gallons