ASTM D6905-20 PDF

Scope: 1.1 This practice covers a procedure for determining the ability of a coating film and its substrate to resist shattering, cracking, or chipping when the film and substrate are distended beyond their original form by impact. 1.2 This practice does not measure impact resistance but uses rapid impact to improve Test Methods D522, a test method for flexibility. Since the impact of the coating is almost instantaneous, all of the problems associated with time variables in the mandrel tests are eliminated. 1.3 This practice is similar in content but not technically equivalent to Test Method D2794. 1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.5 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. 1.6 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.

ASTM D6905-20 Referenced Document

ASTM D2240 Standard Test Method for Properties of Rubber &8212; Durometer Hardness*， 2024-04-21 Update
ASTM D2794 Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)*， 2024-01-25 Update
ASTM D522 Standard Test Methods for Mandrel Bend Test of Attached Organic Coatings
ASTM D609 Standard Practice for Preparation of Cold-Rolled Steel Panels for Testing Paint, Varnish, Conversion Coatings, and Related Coating Products*， 2022-06-01 Update
ASTM D7091 Standard Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nonconductive Coatings Applied to Non-Ferrous Metals*， 2022-06-01 Update
ASTM D823 Standard Practices for Producing Films of Uniform Thickness of Paint, Varnish, and Related Products on Test Panels

2020 ASTM D6905-20 Standard Practice for Impact Flexibility of Organic Coatings
2003 ASTM D6905-03(2012) Standard Test Method for Impact Flexibility of Organic Coatings
2003 ASTM D6905-03(2008) Standard Test Method for Impact Flexibility of Organic Coatings
2003 ASTM D6905-03 Standard Test Method for Impact Flexibility of Organic Coatings