Astm D61821 Pdf Page
If you clarify the correct standard number, I can revise the post.
Conditions are recorded as Time / Temperature / Humidity (e.g., 96/23/50 means 96 hours at 23°C and 50% RH). astm d61821 pdf
ASTM D6182-23 1.9.2023 - Technical standards MyStandards.biz If you clarify the correct standard number, I