Premium silicone-based compound designed for dielectric strength, electrical insulation, and moisture-proof sealing. Ideal for metal-on-polymer, metal-on-rubber assemblies, and sealed electrical connections.
Key Features and Benefits
Excellent Electrical Insulation: High dielectric strength for reliable performance in electrical systems.
Wide Temperature Range: Performs effectively from -54°C to 200°C (-65°F to 392°F).
Moisture Resistance: Provides superior water repellency and moisture-proof sealing for long-term durability.
Versatile Applications: Suitable for use with metals, plastics, elastomers, and ceramics.
Certified for Safety: Compliant with AMS8660, NSF 51 and 61, Kosher Pareve, and Halal certifications.
Semi-Flowable Consistency: Easily penetrates complex geometries for efficient sealing and lubrication.
Detailed Product Description
MOLYKOTE® 4 Electrical Insulating Compound, also known as DC-4, is a silicone-based compound with a semi-flowable consistency, designed for use as a dielectric sealant and lubricant. It offers high dielectric strength, excellent electrical insulation, and moisture-proof properties, making it ideal for demanding industrial and transportation applications.
This versatile compound adheres to metals, elastomers, and polymers, providing reliable sealing and lubrication in electrical systems such as cable connectors, battery terminals, and rubber seals. Its low volatility and oxidation resistance ensure long-lasting performance, even in harsh environments.
Originally branded as Dow Corning, this product has transitioned to the MOLYKOTE® line under DuPont. Learn more about this rebranding in our detailed blog post.
Applications
Moisture-proof seal for ignition systems, electrical connectors, and terminals.
Lubricant for cable connectors, switches, and rubber seals.
Assembly lubricant for metal-on-plastic and metal-on-rubber combinations.
Sealing and lubrication for valves, packings, and O-rings.
Technical Specifications
Product Type: MOLYKOTE® Compound
Technology: Silicone
NLGI Grade: 2-3
Thickener: Silica
Temperature Range: -54°C to 200°C (-65°F to 392°F)
I normally wear an xl for 95% of my shirts. I ordered a 2XL in this just to be safe. STILL too small. Sizing is crazy. You can do better. Charge me for a correctly sized shirt, I don’t care! But don’t do this.
I’m NOT taking a pic.