The ASTM D4226-19e1 standard evaluates the impact performance of rigid polyvinyl chloride (PVC) (PVC) building products. Determine the point of failure at a specific height by testing the impact resistance of a sample under specific impact conditions using a fixed weight impactor. The standard includes Procedure A and Procedure B, which are used to determine the minimum impact energy of the sample and the minimum energy required for brittle failure, respectively. This test method helps evaluate the toughness and impact resistance performance of PVC products and is widely used in quality control and material development.
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