Super Lube Silicone Dielectric Grease is a non-curing silicone compound ideal for sealing, protecting and insulating electrical components and connectors. It is waterproof and protects against moisture and other contaminants in electrical connections. Super Lube Silicone Dielectric Grease is translucent white, clean and clear in appearance and exhibits high dielectric strength. It is compatible with most plastics and rubbers.