Which solvent is suitable for cleaning components containing phosphate ester-base hydraulic fluid?

Acetone is an effective solvent for cleaning components that contain phosphate ester-based hydraulic fluids due to its strong solvent properties and ability to dissolve a wide range of contaminants. Phosphate esters can form sticky residues that are challenging to clean with less effective solvents. Acetone, being a polar solvent, has good solvating power and can effectively break down and remove these residues from surfaces.

Additionally, it evaporates quickly, minimizing the time the components remain exposed to the solvents, which helps to reduce potential damage or corrosion. Its effectiveness, volatility, and ability to thoroughly clean surfaces make acetone a suitable choice for this specific application.

In contrast, other options like Stoddard solvent, mineral spirits, and denatured alcohol may not provide the same level of efficacy in cleaning phosphate ester residues, as they might not be able to dissolve or remove the sticky nature of these fluids as effectively as acetone.