This International Standard specifies a method of test for the determination of the self-cleaning proper-Ges of vitreous and porcelain enamelled Walls of roasting devices, grills and baking devices; self-cleaning consists in the capacity first to absorb oil or fat in droplet form, and then to volatilize the greater part of the fat or oil by the sequential processes of distillation, decom- Position, and combustion (referred to collectively as combustion in the following text). This International Standard is not applicable to pyrolytically cleaning vitreous and porcelain enamels.