1.1本试验方法包括测量氧化镁颗粒的相对抗水化性。 1.2 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和健康实践，并确定监管限制的适用性。 ====意义和用途====== 3.1本试验方法测定了氧化镁颗粒的相对抗水化性。 3.2本试验方法在工业上用于评估粮食样品，在某些情况下用于规范目的。 3.3在解释数据时必须小心。

1.1 This test method covers the measurement of the relative resistance of magnesia grain to hydration. 1.2 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 and health practices and determine the applicability of regulatory limitations prior to use. ====== Significance And Use ====== 3.1 This test method determines relative hydration resistance of magnesia grain. 3.2 This test method is used in industry to evaluate grain samples and is used for specification purposes in some cases. 3.3 Care must be taken in interpreting the data.