1.1 本规范涵盖离散纤维水泥板，其尺寸稳定，适用于内部潮湿和干燥区域的油漆、壁纸、天然石、瓷砖或弹性地板等装饰。 1.2 本规范不适用于外包层、外墙、幕墙和拱腹等外部应用的纤维水泥平板（规范 C1186 )，石膏背板和芯板（规范 C1396/C1396M )，防水石膏背板（规范 C1396/C1396M )，玻璃垫石膏背板（规范 C1178/C1178M )，玻璃垫石膏板（规范 C1658/C1658M )，纤维增强石膏板（规范 278加元/278加元 )，刨花板（定义 D1554 )，纤维毡水泥板（规范 C1325 和ANSI A118.9），或水泥粘合刨花板（规范BS 5669:第4部分）和（ISO 8335）。 1.3 以英寸磅为单位的数值应视为标准。括号中给出的值是国际单位制的数学转换，仅供参考，不被视为标准。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This specification covers discrete fiber-cement sheets manufactured to be dimensionally stable and suitable for decoration as paint, wallpaper, natural stone, tile, or resilient flooring in internal wet and dry areas. 1.2 This specification is not applicable to fiber-cement flat sheets for exterior applications such as claddings, facades, curtain walls, and soffits (Specification C1186 ), gypsum backing board and coreboard (Specification C1396/C1396M ), water-resistant gypsum backing board (Specification C1396/C1396M ), glass mat gypsum backing board (Specification C1178/C1178M ), glass mat gypsum panels (Specification C1658/C1658M ), fiber-reinforced gypsum panels (Specification C1278/C1278M ), particle boards (Definitions D1554 ), fiber mat cement boards (Specification C1325 and ANSI A118.9), or cement-bonded particleboards (Specification BS 5669: Part 4) and (ISO 8335). 1.3 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. 1.4 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.