DuPont MOLYKOTE 4 Electrical Insulating Compound 3.6 kg Pail - 4 CMPD 3.6KG

$563.11
Description

Description

The DuPont MOLYKOTE 4 Electrical Insulating Compound is a high-performance silicone-based material formulated to provide outstanding electrical insulation, moisture resistance, and long-term stability across extreme temperature conditions. Designed for professional and industrial use, this compound ensures reliable protection of electrical connections, terminals, and assemblies from corrosion, arcing, and leakage currents.

With a wide service temperature range from –40 °C to +200 °C, MOLYKOTE 4 maintains consistent performance under demanding environments, making it ideal for applications in aerospace, automotive, electronics, and laboratory equipment. This non-curing compound resists oxidation, water washout, and ozone exposure, ensuring extended component life and dependable dielectric protection.


Key Features

High Dielectric Strength: Excellent insulation properties up to ~338 V/mil for dependable electrical protection.

Wide Operating Range: Performs consistently from –40 °C to +200 °C.

Moisture & Corrosion Resistance: Protects electrical terminals from humidity and environmental contaminants.

Non-Curing, Silicone-Based Formula: Remains stable and flexible over time.

Excellent Adhesion: Clings to metals, plastics, glass, and ceramics without hardening.

NSF 51 & 61 Certified: Approved for incidental food and potable water contact.

Chemical Stability: Unaffected by most oils, lubricants, and gases.

Proven Performance: Trusted DuPont formulation used globally in critical electrical applications.


Applications

Electrical Connectors & Terminals: Prevents corrosion and arcing in plug, socket, and cable assemblies.

Switches & Relays: Provides dielectric insulation for long-term reliability.

Battery Terminals & Ignition Systems: Protects against moisture and salt exposure.

HVAC & Appliance Systems: Insulates and lubricates gaskets, O-rings, and seals.

Aerospace & Defense Electronics: Used in critical circuits requiring stable dielectric performance.

Laboratory & Instrumentation Equipment: Ideal for maintaining electrical integrity in sensitive instruments.


Benefits

Long-Term Electrical Reliability: Stable dielectric performance even under high humidity.

Corrosion Prevention: Seals out moisture, dust, and atmospheric contaminants.

Versatile Compatibility: Safe for metals, plastics, glass, and rubber.

Regulatory Compliant: Compliant for incidental food/water contact.

Extended Service Life: Non-hardening formulation minimizes re-application needs.

Trusted Global Standard: Used across multiple industries for over 50 years.


Product Specs

Typical Use Moisture-proof seal for aircraft, automotive, marine ignition systems; spark plug connections; electrical assemblies; assembly lubricant for metal-on-plastic and metal-on-rubber combinations
Brand MOLYKOTE
Color Translucent White
Components 1 part
Dielectric Strength 350 V/mil
Flash Point >300 °C
Key Specifications NSF 51 and 61, 21 CFR 175.30
Service Temperature –54 to 200 °C
Specific Gravity >1 @ 25 °C
Spray No
Volume Resistivity 0.1 × 10¹³ ohm-cm

Categories

• DuPont MOLYKOTE Compounds

• Electrical Insulating Materials

• Silicone Greases & Lubricants

• Industrial Maintenance Supplies

• Laboratory & Equipment Protection Compounds

Reviews

FAQs

What is DuPont MOLYKOTE 4 used for?

DuPont MOLYKOTE 4 is a silicone-based electrical insulating compound that provides long-term protection against moisture, corrosion, and electrical leakage. It’s used in connectors, switches, relays, and ignition systems to prevent arcing and maintain stable dielectric performance in harsh conditions.

What is the dielectric strength of MOLYKOTE 4?

MOLYKOTE 4 offers a high dielectric strength of approximately 338 volts per mil, ensuring reliable insulation for high-voltage and precision electrical components. This makes it ideal for critical aerospace, automotive, and industrial applications.

Can MOLYKOTE 4 be used in extreme temperatures?

Yes. It performs reliably across a wide temperature range from –40 °C to +200 °C (–40 °F to +392 °F), maintaining stability and flexibility without hardening or breakdown.

Is this compound moisture- and corrosion-resistant?

Absolutely. MOLYKOTE 4 forms a protective barrier against water, humidity, and atmospheric contaminants, reducing oxidation and corrosion on metal, glass, and ceramic components.

Is MOLYKOTE 4 safe for use in food or water systems?

Yes. It’s NSF 51 and NSF 61 certified, meeting FDA 21 CFR 175.300 requirements for incidental food and potable water contact applications.