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MOLYKOTE® High-Vacuum Grease – Silicone Lubricant – Industrial sealing, valves, gaskets, O-rings, optical equipment

  • Item Name: MOLYKOTE® High-Vacuum Grease

  • Manufacturer: DuPont

  • Technologies: Silicone oil with inorganic thickener

  • Color: White to gray, translucent

  • Cure Type: Nonmelting silicone compound

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: 60 months

  1. Product Overview
    MOLYKOTE® High-Vacuum Grease is a stiff, non-melting silicone grease composed of silicone oil and an inorganic thickener. It offers low volatility, excellent resistance to water, chemicals, and extreme temperatures, and complies with FDA 21 CFR 175.300 requirements. The formulation is free from PTFE and PFAS, making it suitable for sensitive and high-performance uses.
  2. Applications
    This grease is widely applied in chemical processing equipment such as plug valves, control valves, flow meter bearings, ceramic plug cocks, and fire extinguisher valves. It is also used for water treatment systems, synthetic rubber gaskets, seals under high temperatures, sealing vacuum and pressure systems, and lubricating O-rings in optical devices, where it prevents lens fogging.

3. Typical Properties

Property Unit Result
Color White to gray, translucent
Physical nature Stiff compound
Penetration, unworked (ISO 2137) mm/10 170 – 230
Penetration, worked 60 (ISO 2137) mm/10 <260
Bleed, 24 h @ 200°C % <0.5
Evaporation, 24 h @ 200°C % <2.0
Melting point °C None

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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