Standard: UL 790 – Standard Test Methods for Fire Tests of Roof Coverings (Building Integrated Photovoltaics – BIPV products only) Certification Required: The Fire Test Sections are part of the standard that can be completed by Intertek and certified with the ETL Mark.

屋顶覆盖物也称屋顶材料，一般用来保护屋顶甲板，在火灾情况下能提供防火保护的覆盖材料。常用的测试标准有ul 790，astm e108和en 13501-5。南京睿督为您解析ul 790的测试等级有哪些及有什么要求？ ul 790标准定义…

To obtain a UL 790 fire classification, roof assemblies are required to pass a series of exterior fire exposure tests – the Class A tests are more severe than the Class B tests, which are more severe than the Class C tests. Accordingly, Class A roof assemblies are suitable for use where Class A, Class B or Class C roofs are required,

This revision of ANSI/UL 790 is being issued to reflect the reaffirmation of ANSI approval of the Standard. UL Standards for Safety are developed and maintained in the Standard Generalized Markup Language (SGML). SGML -- an international standard (ISO 8879-1986) -- is a descriptive markup language that

2022年2月18日 · ul 790 Standard Test Methods for Fire Tests of Roof Coverings UL Standard Edition 9 Published Date: February 18, 2022 ANSI Approved: February 18, 2022 DOD Approved: March 21, 1984

2022年4月1日 · ul 355 1996 ninth edition, dated february 星级： 44 页 ul107标准屋顶覆盖材料火灾试验方法ul标准20190328第四版 星级： 42 页 ul790 屋顶材料火灾试验标准试验方法 翻译稿 ... 星级： 790 页 暂无目录. . 点击鼠标右键菜单,创建目录 ...

2025年3月7日 · ul 790-2022的标准全文信息,1.1 这些要求涵盖了暴露于模拟火源（火源来自安装覆盖物的建筑物外部）的屋顶覆盖物的相对防火特性测量。 它们适用于按预期应用时安装在可燃或不可燃屋顶板上的屋顶覆盖物（见 1.4）。

UL 790 Ed. 9-2022 Standard Test Methods for Fire Tests of Roof Coverings 1.1 These requirements cover the measurement of the relative fire characteristics of roof coverings exposed to simulated fire sources originating from outside a building on which the coverings are installed.

2025年2月23日 · ANSI/UL 790-2013的标准全文信息,屋顶层材料防火试验的安全性标准, Standard for Test Methods for Fire Tests of Roof Coverings, 提供ANSI/UL 790-2013的发布时间、引用、替代关系、发布机构、适用范围等信息，也提供PDF预览（如果有PD

UL 790 Standard for Fire Tests of Roof Coverings. This Standard outlines test methods for measuring the relative fire characteristics of roof coverings when exposed to fire sources originating on the outside of a building. View on ShopULstandards.com