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  • Apiezon PFPE 501 High Temperature Vacuum Grease 100g Apiezon PFPE 501 High Temperature Vacuum Grease 100g

    Apiezon PFPE 501 High Temperature Vacuum Grease 100g

    USA Lab
    APIEZONPFPE501
    $321.91
    PFPE 501 is a chemically inert, high temperature vacuum grease, and extreme pressure lubricant.  With an upper operating temperature of 250°C and vapor pressure of 1.3 x 10-12 at 25°C, it is robust, versatile and can be used for...
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    DuPont Molykote High Vacuum Grease (Formerly Dow Corning) 5.3oz

    USA Lab
    DOWCOR
    $39.95
    DuPont Molykote (Formerly Dow Corning) High-Vacuum Grease DuPont Molykote (formerly Dow) High-Vacuum Grease is a one component, non-melting silicone oil that is used for sealing and lubricating O-rings, chemical processing equipment, control valves,...
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Vacuum Grease From USA Lab

Reliable Sealing for Glassware and Vacuum Systems

Vacuum grease is an essential lab consumable used to create airtight seals between ground glass joints, stopcocks, and vacuum fittings. USA Lab supplies high-quality vacuum grease designed for stability under pressure and temperature swings to help you maintain system integrity and protect sensitive equipment.

Designed for Long-Lasting Seals

Airtight Sealing

Creates strong, dependable seals that keep vacuum systems leak-free and maintain consistent performance under load.

Temperature Resistant

Formulated to stay stable across standard heating and cooling ranges without melting, drying out, or breaking down.

Chemically Inert

Safe for use with solvents, acids, and most lab chemicals, so it won't react or contaminate your process.

Protects Glassware

Prevents ground glass joints, stopcocks, and fittings from sticking, fusing, or suffering wear during use.

Compare Vacuum Grease Options

Product Type Temperature Range Packaging Size Best Use
Apiezon PFPE 501 High-Temp Specialty Vacuum Grease -15°C to 250°C 100 g High-temp applications
DuPont Molykote High Vacuum Grease

(formerly Dow Corning 5)
-40°C to 200°C 3 oz (tube) Every day lab sealing

Hassle-Free Use

  • Simple application — Apply a thin film to glassware or fittings for an instant seal.
  • Temperature stability — Formulas stay consistent in both hot and cold environments.
  • Long shelf life — Formulated for extended usability when stored properly.

Match the Right Grease to Your Work

  • Working with general lab setups? → Choose general-purpose vacuum grease.
  • Running high-heat processes? → Go with high-temp vacuum grease.

Why Choose USA Lab Vacuum Grease

  1. Options available for both everyday and high-temperature use.
  2. Reliable products at transparent prices.
  3. Fast U.S. shipping with expert customer support.

Equipment That Works With Your Vacuum Grease

Pair vacuum grease with equipment that depends on airtight seals: