The team quickly came up with a plan to recondition the sheets according to the ASTM D618-21 standard and then retest them. This time, the results showed that the sheets met the required specifications, and the issue was resolved.
ASTM D618-21 provides a crucial framework for conditioning plastics to ensure the reproducibility of mechanical, thermal, and electrical testing by controlling temperature and humidity. By establishing procedures like Procedure A ( astm d618-21 pdf