Castrol Rustilo DW 902 is a dark brown, cloudy mobile fluid, possessing water displacement properties. Castrol Rustilo DW 902 may be classified as a medium-term type protective and has shown excellent results when used on items exposed to the open air, i.e. car body protection, sheet coil, strip bar, extruded steel, stock spares, exposed gearing, conveyors and wire ropes, etc.