MOLYKOTE® 33 Medium is a premium-quality extreme low temperature silicone grease from DuPont, designed for long-term lubrication of plastic and metal components across a wide range of industries.
MOLYKOTE® 33 Medium extreme low temperature grease is a specialty silicone lubricant engineered for applications where reliable performance at sub-zero temperatures is essential. It resists oxidation, provides long-lasting lubrication, and maintains consistency over a broad temperature spectrum. With superior material compatibility, especially with plastics and elastomers, this grease is widely used in the aerospace, automotive, electronic, and insutrial sectors.
Appearance: Translucent white
Base Oil Viscosity @ 25°C: 100 cSt
NLGI Grade: 2
Service temperature: -73°C to +180°C
Penetration: 280-310
Bleed (24h, 100°C): <3.0%
Evaporation (24h, 100°C): <2.0%
Four-ball Wear: 0.60mm
Load wear index: Moderate
Water washout: Excellent resistance
Excellent low temperature lubrication: Performs reliably down to -73°C
Wide service temperature range: -73°C to +180°C
Oxidation resistance: Prolongs lubricant life and reduces maintenance
Material compatibility: Safe on plastics, rubbers, and metals
Low volatility: Ideal for sealed environments and precision equipment
Noise dampening properties: reduces squeaks and operational noise
Long-term stability: resists hardening, separation, and evaporation
Lubrication failures in freezing environments
Degradation of grease in sensitive electronic and precision systems
Imcompatibility with plastic or rubber components
Frequent relubrication due to evaporation or oil bleed
Component sticking or wear in cold start-up conditions
Noise and vibration in joints and moving parts
Aerospace components
Automotive Interiors & Exteriors
Electronic devices
Medical Devices & equipment
Precision Instruments
Marine Applications
Packaging Machinery
Food & Beverage (Non-food contact areas)
Robotics and Automation
Consumer Electronics
Railway systems
Defense & Tactical gear
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