1.1 这些试验方法包括测定橡胶化学品的灰分含量。 1.2 试验方法包括以下材料: 布料 部分 硫黄 7 – 13 p -苯二胺抗氧化剂 14 – 22 苯并噻唑磺酰胺促进剂 14 – 22 1.3 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.4 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。 1.5 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。 ====意义和用途====== 5.1 这些试验方法适用于测定橡胶复合材料的灰分含量。测试方法可用于质量控制、产品验收或研发。分类 D4676号 规定灰分百分比是橡胶防降解剂的一个重要特性。

1.1 These test methods cover the determination of ash content of rubber chemicals. 1.2 The test methods include the following materials: Material Section Sulfur 7 – 13 p -Phenylenediamine Antioxidants 14 – 22 Benzothiazole Sulfenamide Accelerators 14 – 22 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 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. 1.5 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. ====== Significance And Use ====== 5.1 These test methods are suitable for the determination of the ash content of rubber compounding materials. The test methods may be used for quality control, product acceptance, or research and development. Classification D4676 prescribes percent ash as an important characteristic of rubber antidegradants.