Silicone Spray 500ml - RUS-1615 EXcellent Silicone spray is a high quality odourless and colourless superfine lubricant which possesses excellent thermal stability, for all types of general purpose lubrication applications. It penetrates and protects metal, rubber and plastic parts. X1 eXcellent Silicone spray is enhanced with BoroTecX™, an ultra thin film lubricant with excellent lasting penetrating properties. X1 eXcellent Silicone spray is H1 compliant, and approved for incidental food contact.