ASTM D618-21 establishes standard procedures for conditioning plastic specimens by controlling temperature and humidity to ensure reliable, reproducible testing data. It defines a standard laboratory atmosphere of 23°C and 50% relative humidity, with common procedures (A, B, D) adjusting for specific material requirements. Purchase the full standard, often used alongside , directly from the ASTM Standards Store.
Rachel immediately called a meeting with her team to discuss the issue. They pored over the production records and reviewed the testing procedures, but everything seemed to be in order. The team then decided to investigate further by reviewing the ASTM D618-21 standard, which covered the "Standard Practice for Conditioning Plastics for Testing."
Summary of ASTM D618-21
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