DOW CORNING® 4 ELECTRICAL INSULATING COMPOUND

Grease-like material containing an inert silica filler in combination with selected polydimethyl silicone fluids.

Key Properties

NLGI Grade 2-3, translucent white, used primarily in electrical wiring systems and electrical assemblies and terminals.

Applications

A moisture-proof seal for aircraft, automotive and marine ignition systems and spark plug connections, disconnection junctions in electrical wiring systems also in electrical assemblies and terminals.  Used as a seal in lubricant for cable connectors, battery terminals, rubber door seals, switches and rubber and plastic O-rings and as assembly lubricant for various metal-on-plastic and metal-on-rubber combinations.

Features & Benefits

High dielectric strength; Low Volatility; Moisture-resistant; Good thermal oxidation and chemical stability; Highly Water repellent; adheseres readily to dry metals, ceramics, rubber, plastics and insulating resins. Retains its grease-like consistency from -40°C to +204°C; Odorless; Highly water-repellent. Meets MIL-S-8660C; Meets SAU AS 8660; Certification to NSF 51 & 61;  Meets requirements for FDA 21 CFR 175.300.

Product Details

Product Type: Compound
Chemistry: Silicone
Performance Benefit: Good Oxidation Resistance, Good Plastics & Rubber Compatibility, Good Water Resistance, High Tack & Adhesion, High Temperature Performance, Low Temperature Performance, Wide Temperature Range
NLGI Grade: 2-3
Thickener: Silica
High Temp: 204°C
Low Temp: -40°C
Color: Translucent White

We Can Help

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