1.1 这些测试方法涵盖了石膏板产品的物理测试。 1.2 试验方法按以下顺序出现: 部分 弯曲强度（方法A） 7. 芯部、端部和边缘硬度（方法A） 8. 抗拔钉力（方法A） 9 弯曲强度（方法B） 11 芯部、端部和边缘硬度（方法B） 12 抗拔钉力（方法B） 13 增湿偏转 14 端部垂直度 15 标称厚度 16 凹边或锥形边缘深度 17 宽度 18 长 19 核心处理拒水剂的耐水性 石膏板产品 20 石膏板产品的表面耐水性 表面防水 21 1. 3. 以英寸-磅单位表示的值应视为标准值，但以国际单位克表示的样品重量除外。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。 1.4 这些试验方法的文本参考了提供解释材料的注释和脚注。这些注释和脚注（不包括表和图中的注释和脚注）不应视为这些试验方法的要求。 1.5 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。 1.6 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 These test methods cover the physical testing of gypsum panel products. 1.2 The test methods appear in the following order: Section Flexural Strength (Method A) 7 Core, End and Edge Hardness (Method A) 8 Nail Pull Resistance (Method A) 9 Flexural Strength (Method B) 11 Core, End and Edge Hardness (Method B) 12 Nail Pull Resistance (Method B) 13 Humidified Deflection 14 End Squareness 15 Nominal Thickness 16 Recessed- or Tapered Edge Depth 17 Width 18 Length 19 Water Resistance of Core-Treated Water-Repellent Gypsum Panel Products 20 Surface Water Resistance of Gypsum Panel Products with Water-Repellent Surfaces 21 1.3 The values stated in inch-pound units are to be regarded as standard with the exception of weight of samples in SI gram units. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 The text of these test methods references notes and footnotes that provide explanatory material. These notes and footnotes, excluding those in tables and figures, shall not be considered as requirements of these test methods. 1.5 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. 1.6 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.