G7/G7M Standard Practice for Natural Weathering of Materials
: The standard is intended for polymers, glass, and plastic films, rather than bare metals (which are covered by ASTM G50). Standardized Racks astm g7 pdf
: Testing coatings and exterior components in harsh environments like South Florida (subtropical) or Arizona (desert). G7/G7M Standard Practice for Natural Weathering of Materials
: Degradation is often timed based on solar radiation measurements, though it notes that temperature and moisture also heavily influence results. ASTM International Purchasing and Access (PDF) The official, current version is ASTM G7/G7M-21 iTeh Standards ASTM International Purchasing and Access (PDF) The official,
Adhering to G7 ensures your data is comparable across different testing sites and historically consistent with industry benchmarks.
: Some online databases and document providers may offer ASTM standards for download. However, be cautious and ensure you're using a reputable source.
