At the end of the application of the test mixture, the samples shall be dried in the open air and then washed with the solution described in paragraph 2.3. (resistance to detergents) 23 °C +- 5 °C.
At the end of the application of the test mixture, the samples shall be dried in the open air and then washed with the solution described in paragraph 2.3. (resistance to detergents) 23 °C +- 5 °C.