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The specimen is submerged in distilled or deionized water for

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Comprehensive Guide to ASTM D618-21: Standard Practice for Conditioning Plastics for Testing The specimen is submerged in distilled or deionized

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In the context of plastics testing, conditioning refers to exposing a material to a specific environment (temperature and relative humidity) for a set period before it is tested. The physical and electrical properties of many plastics are significantly influenced by temperature and humidity, which can drastically alter test results. Without a standardized conditioning process, comparing the strength, flexibility, or electrical resistance of two different batches of plastic would be like comparing apples to oranges.

Assuming you meant , here are the helpful features and key details regarding this standard:

Erasing historical ambient moisture absorption before dry testing. Procedure C (Elevated Industrial Humidity)