【国外标准】 Standard Test Method for Chipping Resistance of Coatings
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标准简介
适用范围:
4.1 Owners consider chipping of coatings, particularly on the leading faces and edges of automobile surfaces, unacceptable. In formulating a coating or coating system to meet service requirements, the resistance to chipping damage by flying objects such as gravel is one of the properties of importance since it can vary considerably as other properties are adjusted. Since resistance to chipping decreases at lower temperatures partly as the result of decreased flexibility, the test may be more directly related to service conditions by performing it at a low temperature. This test method is designed to produce a controlled amount of impact by the media on the coated panel in order to enhance reproducibility.1.1 This test method covers the determination of the resistance of coatings to chipping damage by stones or other flying objects.NOTE 1: This test method is similar to SAE J-400.1.2 All dimensions are nominal unless otherwise specified.1.3 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, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.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.
标准号:
ASTM D3170/D3170M-14(2022)
标准名称:
Standard Test Method for Chipping Resistance of Coatings
英文名称:
Standard Test Method for Chipping Resistance of Coatings标准状态:
Active-
发布日期:
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实施日期:
出版语种:
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