Allow the test panels to rest at room temperature for a period of 30 min. Then store the test panels for 24 ±0,2 h at 60± 2℃ in a recirculating air oven. After removing the samples,,store for one hour at room temperature. Then clean using a 1 % solution of water and dishwasher liquid and Kleenex. Dry the clea-ned surface with Kleenex.Assess immediately after cleaning and after 24+/-0,5 h in accordance with DIN EN ISO 4628-1, Charac-teristic values for the evaluation of the intensity of changes of appearance.Select the conditions described in Sections 9.1.2 and 9.1.3Also test the coating for softening by performing a scratch test (Section 9.1.5 of this DBLIf the test specifications are fulfiled immediately after cleaning,the assessment after 24 h does not have to be performed again.If the test specifications are not fulflled immediately after cleaning, the assessment shall be repeated after 24 h. If the requirements are then fulfiled, the test is considered passed.