Dow Corning® #4 Electrical Insulating Compound is a grease like material containing an inert silica filler in combination with selected polydimethyl silicone fluids. This material is used as 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.
Features:
· High dielectric strength
· Low volatility
· Moisture resistant
· Good thermal oxidation and chemical stability
· Meets MIL-S-8660C
· Retains its grease like consistency from -55°C(-67°F) to +200°C(392°F)
· Odorless
· Highly water repellent
· Adheres readily to dry metals, ceramics, rubber, plastics and insulating resins