Glass in buildings - Insulating glass - Part 2: Chemical fogging tests
ISO 20492:2008 establishes two methods for testing the resistance to fogging of pre-assembled, permanently sealed insulating glass units or insulating glass units with capillary tubes intentionally left open. The two methods are designated as approach 1 for markets such as North America, and approach 2 for markets such as Europe.
ISO 20492:2008 is not applicable to sealed, insulating glass units containing a spandrel glass coating due to testing limitations.
ISO 20492:2008 does not apply to insulating glass (IG) units whose function is decorative only.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 20492 |
| Publication Date | Oct. 1, 2008 |
| Language | en - English |
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| Supercedes | |
| Committee | ISO/TC 160/SC 1 |
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