This standard tests how easy it is for organic coatings to remove dirt or stains in actual use. Evaluate the washable performance and Appearance variation of coatings by using common household cleaning materials and equipment such as sponges and cleaners. This method helps formulators understand the difficulty of cleaning Coatings in actual use and compare the performance of different Coatings. SI units are standard units and values in brackets are for reference only. It is up to the user to determine the applicable safety measures.