Molykote 4 is 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 and lubricant for cable connectors, battery terminals, rubber door seals, switches, and rubber and plastic O-rings and as an assembly lubricant for various metal-on-plastic and metal-on-rubber combinations.
Grease-like material containing an inert silica filler in combination with selected polydimethyl silicone fluids.
Molykote 4 Features & benefits
• High dielectric strength
• Low volatility
• Moisture-resistant
• Good thermal oxidation and chemical stability
• Meets requirements of SAE AS 8660
• Certification to NSF 51 and 61
• Meets requirements of FDA 21 CFR 175.300
• Retains its greaselike consistency from -40°C ( -40°F) to +200°C (392°F)
• Odorless
• Highly water-repellent
• Adheres readily to dry metals, ceramics, rubber, plastics, and insulating resins
How to use
MOLYKOTE® 4 Electrical Insulating Compound can be applied by hand, specially designed automated equipment, brushing or wiping. Certain designs of grease guns may seize up with silicone compounds; test prior to use.
A thinner consistency can be achieved by dispersing in solvents such as xylene, mineral spirits and methyl ethyl ketone. MOLYKOTE® 4 Electrical Insulating Compound can then be applied by brushing, dipping or spraying. MOLYKOTE® 4 Electrical Insulating Compound should not be applied to any surface that will be painted or finished. Such coatings may not adhere to the silicone-treated surface.
If contaminated by a silicone coating, parts can be wiped or washed with solvent, washed with detergent, or immersed in an alcoholic potassium hydroxide solution and then rinsed in clear water before painting.
Separation and compaction can occur with some high-pressure dispensing equipment. This should be considered when designing dispensing systems for use with MOLYKOTE 4 Electrical Insulating Compound.
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