A synthetic Electrical Contact grease specially formulated to provide extended contact life under moderate to heavy mechanical load by protecting the contacts from frottage corrosion and wear. It is based on highly stable synthetic oil with no Silicones eliminating problems caused by Silicone Migration. It has excellent penetrating and coating properties, reducing heavy arcing conditions and works very effectively in a corrosive industrial environment. Before applying MOSIL EC – 511 the contact part should be cleaned with our SPRAY – 18. (Plastic compatible cleaner – degreaser)