| 摘要 |
The invention is directed to a chemical cleaning composition containing a hydroxylated wetting agent, a chelating agent, an emulsifier, optionally a crown ether, and optionally a non-aromatic solvent. The cleaning composition is 100% biodegradable, water-based, and able to remove adhered particles having a particle size of less than 35 micrometers. The invention also relates to a process for cleaning a substrate such as a gas turbine engine. |
