ASTM D3363-20
Standard Test Method for Film Hardness by Pencil Test

Standard No.
ASTM D3363-20
Release Date
2020
Published By
American Society for Testing and Materials (ASTM)
Status
Replace By
ASTM D3363-22
Latest
ASTM D3363-22
Scope
1.1 This test method covers a procedure for rapid, inexpensive determination of the film hardness of an organic coating on a substrate in terms of drawing leads or pencil leads of known hardness. 1.2 This test method is similar in content (but not technically equivalent) to ISO 15184. NOTE 1—Other procedures are available to measure permanent deformation of organic coatings under the action of a single point (stylus tip) including but not limited to Test Methods D2197, D5178, and G171. 1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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.

ASTM D3363-20 Referenced Document

  • ASTM D2197 Standard Test Method for Adhesion of Organic Coatings by Scrape Adhesion
  • ASTM D5178 Standard Test Method for Mar Resistance of Organic Coatings
  • ASTM G171 Standard Test Method for Scratch Hardness of Materials Using a Diamond Stylus
  • ISO 15184 Paints and varnishes — Determination of film hardness by pencil test

ASTM D3363-20 history

Standard Test Method for Film Hardness by Pencil Test


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