DOWSIL 4 also known as Dow Corning 4 is a grease-like material containing an inert silica filler in combination with selected polydimethyl silicone fluids.
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: High dielectric strength; Moisture-resistant; Good thermal oxidation and chemical stability; Meets MIL-S-8660C; Retains its grease-like consistency from -40°C to +200°C; Odorless; Highly water-repellent.
Composition: Silicone oil; Inorganic thickener.
Temperature Range: From -40 to +200°C