MOLYKOTE 33 Medium 100 g, extreme low-temperature bearing grease, NLGI 2, silicone, white, −73 °C to +204 °C
Product code: 1500757
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Product description
MOLYKOTE 33 Medium Extreme Low Temperature Grease 100 g is a white, silicone-based grease for bearings and precision mechanisms operating at extremely low temperatures. The “Medium” grade (NLGI 2) provides stable consistency, very low start-up torque and reliable lubrication under light to moderate loads.
Benefits and unique features
- Wide service range: −73 °C to +204 °C – dependable cold starts
- Low start-up torque even at −73 °C – better protection at cold start
- NLGI 2 – stable consistency for ball bearings and lightly/moderately loaded gear trains
- Compatible with many plastics and rubber – typically does not soften materials
- Good oxidation and moisture resistance – extended service intervals
- Not subject to ADR/IMDG/IATA – easier logistics
Properties and applications
- Precision bearings and drives: small motors, fine gear trains, measuring instruments, optical devices.
- Cold-room equipment: carts and conveyors in chillers/freezers; mechanisms requiring easy start-up.
- Automotive/electronics: windshield-wiper gearboxes, starter clutch drives.
- Application note: not recommended for highly loaded ferrous sliding combinations; avoid applying to surfaces to be painted.
Technical parameters
| Parameter | Value |
|---|---|
| Net content | 100 g (tube) |
| Color | white / off-white |
| State / appearance | silicone grease |
| 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 | 2 (Medium) |
| Worked penetration (ASTM D217, 60 strokes) | approx. 280 (1/10 mm) |
| Service temperature | −73 °C to +204 °C |
| Drop point (ASTM D2265) | approx. 226 °C |
| 4-ball weld load (DIN 51350-4) | approx. 1200 N (≈122 kg) |
| Low-temp torque at −73 °C | ~0.164 N·m; after 20 min ~0.022 N·m |
| Flash point (closed cup) | > 101.1 °C |
| CLP classification / signal word | not classified / — |
| Transport classification | not subject to ADR / IMDG / IATA |
| Recommended storage temperature | 0–40 °C |
Storage recommendations
Store in the original, tightly closed container in a dry, well-ventilated place, away from oxidizers. Avoid excessive heating and contamination during application. Recommended storage temperature: 0–40 °C.
FAQ
1) What is the service temperature?
Approximately −73 °C to +204 °C – engineered for extreme low temperatures.
2) How does Medium differ from Light?
Medium has higher consistency (NLGI 2) and slightly higher start-up torques; Light is NLGI 1 for the lowest friction.
3) Is it suitable for plastics and rubber?
Yes, it typically does not soften most plastics and can lubricate plastic gears, bearings and cams.
4) Is it hazardous or ADR-regulated?
No – it is not classified as hazardous and is not subject to ADR/IMDG/IATA.
Product safety
Manufacturer
UNIVAR Poland Sp. z o.o.
Sławęcińska 14
05-850 Ożarów Mazowiecki, Poland
Responsible person in the EU
UNIVAR Poland Sp. z o.o.
Sławęcińska 14
05-850 Ożarów Mazowiecki, Poland
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