Silverhook silicone grease is a water repellent, non-melting silicone grease lubricant. Silverhook silicone grease has no effect on plastics, rubber, or metals, it remains essentially unaltered in daylight & UV light and at temperatures between -30c and +180c. It is Tasteless, odourless and non-toxic Product. Typical applications: Silverhook silicone grease is used in the construction of plastic and polythene pipework. acting as a waterproof or airtight seal. Protection of porous metallic or ceramic coated metals exposed to seawater spray and rain.