Molykote® 976V High-Vacuum Grease - Silicone, NLGI 3-4, FDA Compliant

Dupont

1597418_EACH

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Molykote® 976V High-Vacuum Grease | 1597418

A reliable, high-performance silicone lubricant designed for sealing and lubricating critical vacuum and pressure systems.

Key Features and Benefits

  • Superior Performance Across Temperature Extremes: Operates effectively between -40°C to 204°C, making it ideal for demanding environments.
  • Enhanced Equipment Protection: Reduces wear in plastic-to-metal and rubber-to-metal applications.
  • High Resistance: Excellent resistance to water, chemicals, and oxidation for extended service life.
  • FDA-Compliant: Meets FDA 21 CFR 175.300 for safe use in various applications.
  • Low Volatility and High Tack: Ensures stability in vacuum systems and minimizes lubricant migration.
  • Versatile Applications: Compatible with synthetic rubber, plastics, and delicate equipment.

Detailed Product Description

The Molykote 976V High-Vacuum Grease, formerly known as Dow Corning 976V, is a stiff, non-melting silicone lubricant designed for exceptional sealing and lubrication in vacuum and pressure systems. This translucent white compound is highly resistant to water, oxidation, and chemical exposure, ensuring optimal performance in demanding industrial and commercial environments.

Whether lubricating plug valves, control valves, or O-rings in binoculars, the Molykote 976V prevents wear and fogging, making it suitable for sensitive optical equipment. Additionally, its wide operating temperature range (-40°C to 204°C) and low volatility ensure stable performance under extreme conditions. Manufactured by DuPont, it complies with stringent FDA standards and offers high compatibility with rubber and plastics.

This product retains the trusted performance of its Dow Corning origins, now enhanced under the Molykote brand by Dupont. Learn more about this rebranding in our dedicated blog post.

Applications

  • Sealing vacuum and pressure systems.
  • Lubricating chemical processing equipment, valves, and seals.
  • Preventing fogging in optical devices like binoculars and telescopes.
  • Enhancing the durability of synthetic rubber gaskets and seals in high temperatures.

Technical Specifications

  • Product Type: DUPONT MOLYKOTE® Compound
  • Technology: Silicone
  • NLGI Grade: 3-4
  • Color: Translucent White
  • Thickener: Silica
  • Operating Temperature Range: -40°C to 204°C
  • Certifications: FDA 21 CFR 175.300, Kosher, Halal

Available Sizes

  • 150g / 5.3oz tube (12 per carton)
    • Part Numbers: 1597418 / L976V50
  • 3.6 kg / 8lb pail (4 per carton)
    • Part Numbers:  1658832 / L976V8LB
  • 18 kg / 40lb pail

Enhance the reliability and longevity of your vacuum systems and equipment with Molykote 976V High-Vacuum Grease—a product trusted by industry leaders for its unmatched performance and quality.


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