1.1 该染色渗透试验方法涵盖了一种评估实心玻璃纤维全粗纱增强拉挤棒或棒料纵向芯吸的方法。通常有三种促进芯吸的机制，例如分层、纵向连续孔隙或中空纤维的存在。它们中的任何一个或全部将在给定的时间运行。 注1: 偶尔，上述缺陷可以通过该测试检测到，但通常需要进行其他测试。 1.2 以国际单位制或英寸-磅单位表示的数值应单独视为标准值。每个系统中规定的值不一定是精确的等价物；因此，每个系统应相互独立使用。 将两个系统的值结合起来可能会导致不符合标准。 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、健康和环境实践，并确定监管限制的适用性。 有关具体的危险说明，请参阅 10.3 和 10.6 . 注2: 没有已知的ISO等效于该试验方法。 1.4 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 该试验方法有助于确定复合材料杆的完整性。孔隙、裂纹和中空纤维的存在被认为对复合材料的结构完整性有害，并导致电阻降低和漏电增加。 5.2 一个完美的复合材料将是无缺陷的，不会有芯吸的可能性。这种类型的复合材料几乎不存在，因为在制造过程中形成的树脂中通常会夹带空气，偶尔会出现中空纤维，偶尔会因热应力而出现裂纹。 5.3 本试验方法旨在提供一种工具，用于测量复合材料在极短材料长度上的芯吸程度，以进行比较。 存在超过1英寸的芯吸。（2.54 cm）长度不一定意味着复合材料在其预期最终用途中的性能不理想。因此，应仔细解释测试结果。 5.4 本试验方法是作为一种评估拉挤棒材和棒材质量和一致性的技术而开发的，拉挤棒材和棒材是树脂和全粗纱增强的复合材料。该测试方法将有助于制造商确定是否因工艺或原材料变化而发生任何质量重大变化，因为制造工艺也会影响产品质量。 5.5 由于本试验的结果对样本大小、渗透剂类型、使用的渗透剂、粘度、试验持续时间和其他因素非常敏感，因此未试图达成或建议制定这些材料的规范。 供应商和最终用户应协商制定规范，并应谨慎制定此类规范。

1.1 This dye-penetrant test method covers a means of evaluating solid fiberglass all-roving reinforced pultruded rod or bar stock for longitudinal wicking. There are generally three mechanisms that promote wicking such as delaminations, longitudinal continuous voids, or the presence of hollow fibers. Any or all of them will be operating at a given time. Note 1: Occasionally the flaws listed above may be detected by this test, but other tests are usually required. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems has the potential to result in nonconformance with the standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see 10.3 and 10.6 . Note 2: There is no known ISO equivalent to this test method. 1.4 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 This test method is useful for establishing the integrity of composite rod. The presence of voids, cracks, and hollow fibers are considered detrimental to the structural integrity of the composite and causes reduced electrical resistance and increased current leakage. 5.2 A perfect composite would be flaw-free, and there would be no possibility of wicking. Composites of this type are virtually nonexistent, as there will typically be entrapped air in the resin developed during manufacturing, occasional hollow fibers, and occasional cracks due to thermal stresses. 5.3 This test method is intended to provide a tool for measuring the extent of wicking in a composite over very short lengths of material for comparative purposes. The presence of wicking over 1 in. (2.54 cm) lengths will not necessarily imply that the composite will perform unsatisfactorily for its intended end-use. Therefore, interpretation of test results shall be made carefully. 5.4 This test method was developed as a technique for estimating quality and consistency of pultruded rod and bar stock, which is a composite of resin and all-roving reinforcement. This test method will be useful for a manufacturer to determine whether any gross changes in quality have taken place due to process or raw material changes as the manufacturing process also affects the quality of the product. 5.5 Since the results of this test are so sensitive to sample size, penetrant type, penetrant used, viscosity, duration of test, and other factors, no attempt to arrive at or recommend development of a specification for these materials has been made. A specification shall be negotiated between supplier and end user and such specification shall be made with great care.