Astm D618-21 Pdf Repack Jun 2026

ASTM D618-21 establishes standard procedures for conditioning plastic specimens to ensure reproducible test results by controlling temperature and humidity, with Procedure A commonly requiring 40-88 hours at 23°C and 50% relative humidity. This practice is essential for stabilizing physical and electrical properties across various lab environments. The official standard can be purchased and downloaded at ASTM International .

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. astm d618-21 pdf