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MOLYKOTE 33 Light 1 kg, extreme low-temperature bearing grease, NLGI 1, silicone, white, −73 °C to +204 °C

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Price: €159.10 159.10
Net price: €129.35
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Description

MOLYKOTE 33 Light Extreme Low Temperature Grease 1 kg is a white, silicone-based grease for bearings and precision mechanisms operating at very low temperatures. The “Light” grade (NLGI 1) delivers very low start-up torque, stable lubrication under light to moderate loads, and broad compatibility with many plastics and rubber.

Benefits and unique features

  • Wide service range: −73 °C to +204 °C – reliable cold starts
  • Very low start-up torque – ideal for delicate mechanisms and cold starts
  • Compatible with many plastics and rubber – typically does not soften materials
  • Good resistance to oxidation and moisture – extended service intervals
  • Lithium-soap thickener + silicone base oil – shear stability and easy application

Properties and applications

  • Precision bearings and drives: electric clocks, optical devices, measuring instruments, small motors.
  • Low-temperature equipment: freezer carts, cold-room conveyors, mechanisms requiring easy start-up.
  • Automotive/electronics: windshield-wiper gearboxes, starter clutch drives, small gear trains.
  • Application note: not recommended for highly loaded ferrous sliding combinations.

Technical parameters

Parameter Value
Net content 1 kg (can)
Color white / off-white
State / appearance silicone grease
Odor slight
Relative density (20 °C) approx. 1.1
Water solubility insoluble
Thickener / base oil lithium soap / silicone oil
Base-oil viscosity (25 °C) approx. 100 mm²/s
NLGI grade 1 (Light)
Worked penetration (ASTM D217, 60 strokes) approx. 320 (1/10 mm)
Service temperature −73 °C to +204 °C
Drop point (ASTM D2265) approx. 226 °C
4-ball weld load approx. 1200 N (≈122 kg)
Low-temp torque at −73 °C ~0.130 N·m; after 20 min ~0.013 N·m
Flash point (closed cup) > 101.1 °C
Transport classification not subject to ADR / IMDG / IATA
CLP classification / signal word not classified / —

Storage recommendations

Store in the original, tightly closed container, in a dry, well-ventilated place, away from oxidizers. Recommended storage temperature: 0–40 °C. Avoid excessive heating and contamination during application.

FAQ

1) What is the service temperature?
Approximately −73 °C to +204 °C – engineered for extreme low temperatures.

2) Is it suitable for plastics and rubber?
Yes, it typically does not soften most plastics; used on plastic gears, bearings and cams.

3) Is it hazardous or ADR-regulated?
No – it is not classified as hazardous and is not subject to ADR/IMDG/IATA.

4) Any limitations?
Not recommended for very highly loaded ferrous sliding combinations.

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