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Significance and Use
4.1 The purpose of this test is to obtain information on the ability of a coating system to adhere to substrates under thermal stress. It is assumed that the coating systems tested are applied and cured according to the coating manufacturer’s instructions.
1.1 This practice determines the resistance of cured coatings or coating systems to repeated thermal cycles and is designed to assess the effect of thermal cycling on the properties of a coating or coating system. These properties may include adhesion, resistance to checking, cracking, blistering, or others. This procedure is not intended to provide a quantitative measure of the service life that can be expected from a specific coating system on a given substrate.
1.2 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D660 Test Method for Evaluating Degree of Checking of Exterior Paints
D661 Test Method for Evaluating Degree of Cracking of Exterior Paints
D714 Test Method for Evaluating Degree of Blistering of Paints
D3359 Test Methods for Measuring Adhesion by Tape Test
D4541 Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers
D6677 Test Method for Evaluating Adhesion by Knife
G147 Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests
ICS Number Code 87.040 (Paints and varnishes)
UNSPSC Code 46181533(Protective coats)
ASTM D6944-15, Standard Practice for Determining the Resistance of Cured Coatings to Thermal Cycling, ASTM International, West Conshohocken, PA, 2015, www.astm.orgBack to Top