How is the mold resistance test of the anti-mold coating carried out in the wet greenhouse method?
Put the test sample coated with the paint to be tested in a glass cabinet to spray , and dry it for 10 minutes after being infected with the mold, then move the sample to a constant temperature and humidity room or a test box for suspension, and keep the temperature in the box (28 ± 1 ) °C, relative humidity 98% ± 1%, regularly observe the mold growth on the surface of the model, and evaluate the grade according to the standard of GB/T 1741. The general test period is 28 days.