| abstract |
A composition for cleaning a combustion engine system comprises a hydrocarbon and an oxygen donor. The composition has a flash point, measured according to ASTM D93 of at least 21 degrees C, preferably at least 23 degrees and more preferably at least 30 degrees. The hydrocarbon may be first and second hydrocarbons such as odourless kerosene and xylene, and the oxygen donor may be first and second oxygen donors such as butyl acetate and methoxy propanol. |