The ASTM D6763-16 (2022) guide covers testing procedures for exterior wood stains and clear water repellent agents, both water-based and solvent-based. The guide details the different conditions that affect coating performance and provides test methods to evaluate coating application and film formation performance. Although the test methods attempt to simulate the actual conditions of use of coatings, they cannot fully replicate all situations, so it is recommended that testing be performed under field conditions to ensure Coatings suitability.
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