MOLYKOTE® 4 Electrical Insulating Compound

Great surface adhesion
Semi-flowable consistency
Excellent water resistance and repellency
NSF 51 and NSF 61 certified performance
Meets FDA Reg 21 CFR 175.300
Broad thermal stability (−40°C to 200°C)
Good chemical stability
High dielectric strength
Low volatility

Excessive electrical arcing or flashover
Damaged electrical connections from moisture or water
Melting or smoking lubricants from electrical exposure

Product type: Dielectric compound, lubricant
NLGI Grade: 2–3
Thickener: Silica
Low temperature: −40°C (−40°F)
High temperature: 204°C (392°F)
Color: Translucent white
Dielectric strength (1.27 mm gap): 460 V/mil
Thermal conductivity: 0.235 W/mK
Dielectric constant (ASTM D150, AMS8660):
at 1kHz: 2.8
at 1MHz: 2.89
at 10 MHz: 2.80

Dissipation factor (ASTM D150, AMS 8660):
at 1kHz: 0.0006
at 1 MHz: 0.0013
at 10 MHz: 0.0024

Specific heat (ASTM E2716):
at 50°C: 1.266 J/(g⋅°C)
at 100°C: 1.457 J/(g⋅°C)
at 150°C: 1.471 J/(g⋅°C)

Arc resistance (D495, AMS 8660): 225 seconds
Shelf life: 60 months from date of production in unopened, original containers