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
s applicable to firestop systems of various materials and construction. Firestop systems are intended for use in openings in fire-resistive walls and floors that are evaluated in accordance with Test Methods E119.
1.2 Tests conducted in conformance with this test method record firestop system performance during the test exposure; but such tests shall not be construed to determine suitability of the firestop system for use after test exposure.
1.3 This test method also measures the resistance of
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