The UL 242 test runs for a duration of 10 minutes. During this period, two primary indices are calculated:
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Offers the UL 242 Ed. 4-2015 for purchase. Note that these files are often protected by Digital Rights Management (DRM) , which may limit their use to a single computer. The UL 242 test runs for a duration of 10 minutes
Practically, UL 242 and ASTM E84 are considered harmonized standards. Both use the same equipment and calculation methods. However, there are subtle distinctions that necessitate specific referencing: 4-2015 for purchase
: The requirement was updated to replace carbon paper with shredded newspaper for the internal fire test to better simulate modern real-world waste conditions.