MDGR 291 Blue lubricating silicone grease
- Excellent dielectric properties
- Excellent water resistance and oxidation resistance
- Wide range of operating temperature (-55℃to 200℃)
- Good adhesion to metal, ceramic, rubber and other insulating material surfaces
- Excellent corona resistance
- Low volatility and oil separation
MDGR 291 is a high efficiency silicone oil based, blue silicone grease, especially for dielectric insulation, surface protection, release and lubrication applications.
| MDGR 291 | |
| Exterior | Blue thixotropic paste |
| Density 25℃, g/cm | 1.0±0.02 |
| Needle penetration (static, mm/10) | 310-350 |
| Volatile, % | ≤2 |
| Oil separation, % | ≤8 |
| Volume resistance, 200 ° C, ohm-cm | 0.2 * 10 |
| Dielectric constant | 2.90 |
| Power factor, 100Hz-10MHz | 0.001 |
| Dielectric strength, 1.25mm gap, kV/mm | ≥18 |
Typical Application
- Insulation protection
- Waterproof and moisture-proof
- (Ignition systems, insulated switches, transformers, power equipment, hydraulic equipment, cables, etc.)
- Plastic, rubber aging retardants
- Metal surface protectants
- (Ignition system, TV anode cap, battery terminal, cable and connection etc.)
- Good attachment of machine to seal ring
Electronic seal, potting
Application process
MDGR 291 can be applied by grease gun, smudge, brush.
The 10% concentration of MDGR 291 can be applied by spraying or soaking.
Related products
Color: Translucent
MDGR 290 Lubricating silicone grease for dielectric insulation
Color: Translucent
MDGR 293 Lubricating silicone grease for cable and connection
Color: Translucent
MDGR 295#3 Lubricating silicone grease for wiring harness
Color: Translucency
