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Significance and Use
4.1 Free films are required for conducting tests to evaluate physical and mechanical properties such as tensile and elongation (Test Methods ), moisture vapor permeability (Test Methods and ), microbiological activity resistance (Test Method ), and other physical properties of organic coatings where the substrate may interfere with the determination.
1.1 This practice covers the preparation of free films of organic coatings for use in determining the physical properties of the coatings.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D823 Practices for Producing Films of Uniform Thickness of Paint, Coatings and Related Products on Test Panels
D1005 Test Method for Measurement of Dry-Film Thickness of Organic Coatings Using Micrometers
D1653 Test Methods for Water Vapor Transmission of Organic Coating Films
D2370 Test Method for Tensile Properties of Organic Coatings
D5590 Test Method for Determining the Resistance of Paint Films and Related Coatings to Fungal Defacement by Accelerated Four-Week Agar Plate Assay
E96/E96M Test Methods for Water Vapor Transmission of Materials
ICS Number Code 25.220.60 (Organic coatings)
UNSPSC Code 46181533(Protective coats)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D4708-19, Standard Practice for Preparation of Uniform Free Films of Organic Coatings, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top