Paint and Coatings Industry Standards

D5178 Standard Test Method for Mar Resistance of Organic Coatings

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Revision Date: June 06, 2013
Updated On: June 11, 2013
Editorial Change:
 
5.1 In some situations, marring of coatings applied to substrates under typical use conditions is unacceptable. This test method has been found useful in differentiating the degree of marring of coatings on substrates. It is most useful in providing relative ratings for a series of coated panels exhibiting significant differences in marring.

Other Languages Login Home About ASTM Site Map Support Contact Policies Copyright/Permissions View Shopping Cart Standards Back to Paint and Related Coating Standards ASTM D5178 - 13 ASTM D5178 - 13 Standard Test Method for Mar Resistance of Organic Coatings Active Standard ASTM D5178 Developed by Subcommittee: D01.23 |Book of Standards Volume: 06.01 Buy Standard (PDF) more info 3 pages $ 36.00 Buy Standard (Print) more info 3 pages $ 36.00 Buy Standard + Redline (PDF) why redline? 6 pages $ 43.20 Historical (view previous versions of standard) ASTM License Agreement Shipping & Handling More D01.23 Standards Related Products Find Labs Copyright/Permissions Standard References ASTM D5178 Significance and Use 5.1 In some situations, marring of coatings applied to substrates under typical use conditions is unacceptable. This test method has been found useful in differentiating the degree of marring of coatings on substrates. It is most useful in providing relative ratings for a series of coated panels exhibiting significant differences in marring. 5.2 In a limited laboratory study, meaningful mar results were impossible when powder coatings were tested. The mar marking, that is, scratches, became less perceptible with time. Therefore, powder coatings may not be applicable coatings for this test method.

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