G7 Standard Practice for Atmospheric Environmental ... - ASTM
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: Measured in Megajoules per square meter ( G7 Standard Practice for Atmospheric Environmental
– Specifies construction materials (e.g., aluminum, stainless steel) to avoid galvanic corrosion. Racks must be angled correctly, typically 5° to 45° from horizontal, depending on latitude and test goals. ASTM G7 refers to a standard test method
ASTM G7 refers to a standard test method developed by the American Society for Testing and Materials (ASTM), now known as ASTM International. This particular standard, ASTM G7/G7M, is titled "Standard Practice for Outdoor Exposure Testing." It provides guidelines for conducting outdoor exposure tests to assess the durability and performance of materials, coatings, and other products when exposed to natural weather conditions.
| Source | Format | Current Version | Price Estimate | | :--- | :--- | :--- | :--- | | | PDF / Online | Current (G7-21) | ~$55 - $70 | | TechStreet | PDF / Print | Current | ~$65 | | ANSI Webstore | PDF | Current | ~$65 | | IHS Markit | PDF | Current | ~$60 |