1.1本试验方法包括测定液体或半液体试验化合物对承受弯曲应力的透明丙烯酸塑料材料的龟裂效应。 1.2涵盖三种丙烯酸材料。按照采购机构的规定，试验中应使用一种、两种或所有材料。除非另有规定，否则应在试验中使用所有三种类型的丙烯酸。 1.3本标准无意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 determination of the crazing effect that a liquid or semi-liquid test compound will have on transparent acrylic plastic material that is under bending stress. 1.2 Three types of acrylic material are covered. One, two, or all of the materials shall be used in the test, as specified by the procuring agency. When not specified otherwise, all three types of acrylic shall be used in the test. 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.