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MOLYKOTE® 33 Light Extreme Low Temperature Grease – Silicone Grease – Industrial, motors, refrigeration, optical equipment

  • Item Name: MOLYKOTE® 33 Light Extreme Low Temperature Grease

  • Manufacturer: DuPont

  • Technologies: Silicone oil with lithium soap thickener

  • Color: White

  • Cure Type: Grease, non-curing silicone compound

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: 60 months

  1. Product Overview
    MOLYKOTE® 33 Light Extreme Low Temperature Grease is a silicone-based lubricant thickened with lithium soap. It is specially formulated for light-load applications involving metal-to-metal or metal-to-plastic contact under a broad temperature range from -73°C to 180°C. The grease demonstrates water resistance, superior low-temperature performance, and good oxidation stability, while being compatible with most plastics. It is free from PTFE and PFAS additives.
  2. Applications
    This grease is recommended for roller and conveyor equipment, control cables, electric motors, photographic and optical equipment, and measuring instruments. It is also suitable for refrigeration and freezer equipment, where low-temperature lubrication is critical.

3. Typical Properties

Property Unit Result
Color White
Base oil viscosity at 25°C (DIN 51562) mm²/s 100
Worked penetration (ISO 2137) mm/10 300 – 340
NLGI class Approx. 1
Density at 25°C (ISO 2811) g/cm³ 0.98
Service temperature range °C -73 to 180
Dropping point (IP 396/02) °C ≥190
Low-temp torque at -73°C (ASTM D1478) Nm Breakaway: 0.095; Running: 0.030
Oil separation at 150°C / 24 h (ASTM D6184) % ≤5.5
Evaporation at 150°C / 24 h (ASTM D6184) % ≤3.5
Oil separation at 40°C / 7 days (DIN 51817) % 5.8
Four-ball weld load (DIN 51350) N 1,400
Maximum Dn value mm/min 250,000

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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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