ASTM E814渗透性防火物料燃烧试验的标准试验方法
日期:2012-02-08 12:07
gs shall be established for each firestop system. An F rating shall be based upon flame occurrence on the unexposed surface, while the T rating shall be based upon the temperature rise as well as flame occurrence on the unexposed side of the firestop system. These ratings, together with detailed performance data such as the location of through-openings and temperatures of penetrating items are intended to be one factor in assessing performance of firestop systems.
1. Scope
1.1 This test method i
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