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MOLYKOTE D-321 R 5 kg, air-drying anti-friction coating, 5–20 µm, −180–450 °C
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Description
MOLYKOTE D-321 R Anti-Friction Coating 5 kg is an air-drying dry-film lubricant for metal. It forms a thin, durable low-friction layer that prevents stick-slip and provides long-term wear protection in industrial applications.
Benefits and unique features
- Air-dries at room temperature – fast process, no oven needed
- Prevents stick-slip with high ageing resistance
- Service temperature from −180 to +450 °C
- Excellent under slow/oscillating motion and high loads
- Ready for spray or brush; can be thinned with a suitable thinner
Properties and applications
- Applications: heavy-duty sliding guides, metal-to-metal contacts with slow/ intermittent motion, gear running-in, cylinder-head bolts, mirror adjustment mechanisms, high-voltage switches, emergency lubrication of wind-turbine rotor parts.
- Surface prep: degrease thoroughly; phosphating or ~180-grit blasting significantly increases adhesion and service life.
- Application & thickness: spray/brush; target 5–20 µm dry film.
- Curing/drying: about 5 min at 23 °C to handling dry.
- HSE: solvent-borne product—ensure ventilation, avoid vapours/aerosol and skin/eye contact; vapours may form explosive mixtures.
Technical parameters
| Parameter | Value |
|---|---|
| Type | air-drying anti-friction coating |
| Colour | grey-black |
| Density (20 °C) | ~1.07 g/ml |
| Non-volatile content | ~29 % |
| Recommended dry film | 5–20 µm |
| Drying | ~5 min/23 °C |
| Service temperature | −180 to +450 °C |
| Shelf life | up to 24 months (≤ 20 °C; unopened) |
| Storage temperature | recommended ≤ 20 °C; max 40 °C |
| Transport | ADR/IMDG/IATA: UN 1993, class 3, PG III (flammable liquid) |
| Pack size | 5 kg |
Storage recommendations
Store tightly closed in a cool (ideally ≤ 20 °C), dry and well-ventilated area away from ignition sources. Ground equipment during transfer. Do not inhale vapours or spray; prevent release to drains and aquatic environment.
FAQ
1) Is oven curing required?
No—air-dries; handling dry after ~5 min at 23 °C.
2) Recommended thickness?
Typically 5–20 µm dry film.
3) Service temperature range?
−180 to +450 °C (dry film).
4) How to improve adhesion?
Phosphating or ~180-grit blasting after degreasing.
5) Transport status?
UN 1993, class 3, PG III (flammable liquid).
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