Item Name: MOLYKOTE® EM-30L Grease
Manufacturer: DuPont
Technologies: Polyalphaolefin base oil, lithium soap, PTFE
Color: White
Cure Type: Grease, non-curing
Package Size: 1 kg cans (10/case), 16 kg pails
Shelf Life: 36 months
1. Product Overview
MOLYKOTE® EM-30L is a high-performance lubricating grease designed primarily for plastic components. It offers long service life, minimal seepage for clean operation, and is free from silicone, avoiding issues with electrical contact failures. The grease is formulated with polyalphaolefin, lithium soap, and PTFE, ensuring excellent lubrication across plastic/plastic, metal/metal, and plastic/metal interfaces.
2. Applications
This grease is widely applied in automobiles, electrical appliances, precision instruments, audio systems, and office equipment where plastic components are prevalent. It is particularly suitable for use in clean environments and devices requiring long-term lubrication without leakage.
3. Typical Properties
| Property | Standard/Test | Unit | Result |
|---|---|---|---|
| Appearance | Visual | – | White |
| Base Oil Viscosity (40°C) | – | mm²/s | 90 |
| Penetration (worked 60x) | JIS K 2220 | – | 325 |
| NLGI Grade | – | – | 1 |
| Service Temperature Range | – | °C | -45 to 150 |
| Density | – | g/cm³ | 0.91 |
| Drop Point | JIS K 2220 | °C | 195 |
| Bleed (100°C, 24h) | JIS K 2220 | % | 5.0 |
| Evaporation (99°C, 22h) | JIS K 2220 | % | 0.4 |
| Oxidation Resistance (99°C, 100h) | JIS K 2220 | MPa | 0.02 |
| Copper Corrosion (100°C, 24h) | JIS K 2220 | – | 1A |
| Four Ball Weld Load | ASTM D2596 | N | 3,730 |
| Four Ball Wear Scar (1h, 392N) | ASTM D2266 | mm | 0.5 |
| Low Temp. Torque (-40°C, Starting) | JIS K 2220 | mNm | 110 |
| Low Temp. Torque (-40°C, Running) | JIS K 2220 | mNm | 51 |
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