Standard Practice for
Performing Accelerated Outdoor Weathering of Nonmetallic
Materials Using Concentrated Natural Sunlight1
This standard is issued below the fixed designation g 90; the variety at once following the designation shows the 12 months of unique
adoption or, in the case of revision, the year of remaining revision. a number in parentheses shows the 12 months of remaining reapproval. a superscript
epsilon (e) indicates an editorial exchange for the reason that remaining revision or reapproval.
click below to download Astm G 90 – 98 pdf free
click here to download Astm G 88 – 90 (Reapproved 1997) pdf free