CASTROL Rustilo Aqua 21
Corrosion Preventives
Rustilo Aqua 21 is an inter-operational, short to medium term corrosion preventive which is used as an emulsion. It is particularly recommended for protecting metal components from corrosion after other aqueous treatments. After the evaporation of the water phase, the product leaves an ultra-thin, oily film on ferrous components.
Rustilo Aqua 21 can be applied by immersion or low pressure spray, preferably at 50 - 60 °C (120 - 140 °F) fluid temperature. The emulsion remains stable up to 80 °C (176 °F).
Its recommended concentration of use is between 5% and 20%.
The protective film must be completely dried before packaging the parts.
It is important, that you should make the emulsion by adding the Rustilo Aqua 21 to the water and not the water to the concentrate.
Film type: oily
Film thickness: 2 µm
Corrosion protection time, indoor storage, 20% emulsion: 8 -12 months
Outdoor storage is not recommended with this product.
The name of Rustilo Aqua 21 was Aquasafe 21 untill 2015.
Rustilo Aqua 21 can be applied by immersion or low pressure spray, preferably at 50 - 60 °C (120 - 140 °F) fluid temperature. The emulsion remains stable up to 80 °C (176 °F).
Its recommended concentration of use is between 5% and 20%.
The protective film must be completely dried before packaging the parts.
It is important, that you should make the emulsion by adding the Rustilo Aqua 21 to the water and not the water to the concentrate.
Film type: oily
Film thickness: 2 µm
Corrosion protection time, indoor storage, 20% emulsion: 8 -12 months
Outdoor storage is not recommended with this product.
The name of Rustilo Aqua 21 was Aquasafe 21 untill 2015.
Substitutable products