This standard test method is used to evaluate the effectiveness of coatings in preventing the migration of tannins from wood substrates. Tannins are a common natural wood color that can cause water-based paints discoloration, affecting aesthetics. This method allows for accelerated testing of Coatings' ability to resist tannin stains, often using cedar or mahogany boards to ensure Coatings' stain resistance performance.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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