1.1本试验方法包括测定涂层抗石头或其他飞行物体的碎屑损伤能力。 注1:本试验方法类似于SAE J-400。 1.2以公制单位表示的数值应视为标准。括号内的英文单位仅供参考。除非另有规定，否则所有尺寸均为标称尺寸。 1.3 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。

1.1 This test method covers the determination of the resistance of coatings to chipping damage by stones or other flying objects. Note1—This test method is similar to SAE J-400. 1.2 The values stated in metric units are to be regarded as the standard. The English units given in parentheses are for information only. All dimensions are nominal unless otherwise specified. 1.3 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.