The ISO 23169-2020 standard provides a standardized field test method for assessing the mass of interior-wall coatings. The standard specifies two main test methods: field cleanliness testing (stain removal) and field moisture resistance scruf testing. These test methods are suitable for white and light-colored coatings and can help distinguish between high-mass and low-mass interior-wall coatings. Tests are conducted according to standardized procedures to reduce the influence of subjective factors and provide reliable evaluation results. Standardized test methods help to ensure that the performance of the Coating system is as expected and improve the level of quality control of interior-wall coatings.
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