1.1 本规范规定了在高于和低于环境温度下运行并安装在室外地面上的管道、管道和设备的隔热层上使用的挠性层压板保护套和压敏胶带的最低性能。它不包括以下各项:保护金属护套、均质塑料膜护套材料、改性沥青护套材料和丁基橡胶膜。 1.2 这种材料应由多层聚合物膜和铝箔组成，彼此层压，可选择增强层。 1.3 本规范涵盖的护套和胶带材料应具有较低的水蒸汽渗透值；然而，它们不一定总是用作蒸汽缓凝剂。水蒸气传输试验仅涉及护套和胶带材料，不涉及重叠或胶带接头。所有材料应具有耐候性，并具有足够的强度，为机械绝缘提供保护。 1.4 本规范涵盖的材料应具有高、中或低表面发射率。 1.5 顶层应为以下材料之一:铝箔、聚合物膜或聚合物涂层。 1.6 本规范包括带和不带工厂使用的压敏粘合剂的护套材料。本规范涵盖的胶带材料始终具有工厂使用的压敏粘合剂。 1.7 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 1.8 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.9 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification addresses the minimum performance for flexible laminate protective jacket and a pressure sensitive adhesive tape for use over thermal insulation on pipes, duct, and equipment operating at both above and below ambient temperatures and installed outdoors, above ground. It does not include the following: protective metal jacket, homogenous plastic film jacket materials, modified asphalt jacket materials, and butyl rubber membranes. 1.2 This type of material shall consist of multiple layers of polymer film and aluminum foil laminated to one another with layer(s) of reinforcement as an option. 1.3 Jacket and tape materials covered by this specification shall have low water vapor permeance values; however, they are not necessarily always used as vapor retarders. The water vapor transmission tests address the jacket and tape materials only and do not address overlaps or taped joints. All materials shall be weather resistant and intended to have sufficient strength to provide protection for mechanical insulation. 1.4 Materials covered under this specification shall have a high, medium, or low surface emittance. 1.5 The top layer shall be on of the following: aluminum foil, a polymer film, or a polymer coating. 1.6 This specification includes jacket materials both with and without factory applied, pressure sensitive adhesives. The tape materials covered by this specification always have a factory applied, pressure sensitive adhesive. 1.7 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.