CASTROL RUSTILO AQUA 21

Castrol Rustilo Aqua 21 is a medium viscosity mineral oil containing film forming additives and coupling agents, supplied as a concentrate for dilution with water prior to use. After the evaporation of the water phase, the product leaves an ultra-thin, oily film on ferrous components.

Advantages

• Free from hydrocarbon solvents, complies with EC Solvent Directive (1999/13/EC)
• Heavy metals free (for example, Barium), which may help to fulfil aspects of legislative requirements and waste treatment requirements that specify that these chemicals are excluded
• Emulsion is stable up to 80°C (176 °F)
• Very good stability against inorganic salts
• May be used even after applications where high levels of contamination could be expected, e.g. subsequent to heat treatment or electroplating processes
• Excellent wetting properties Rustilo Aqua 21's protective film can easily be removed, if required, by an alkaline process cleaner