ASTM-D4217 Standard Test Method for Gel Time of Thermosetting Coating Powder

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Standard Test Method for Gel Time of Thermosetting Coating Powder




1.1 This test method determines the length of time a thermosetting coating powder takes to gel on a polished metal surface at a specified temperature, such as 204°C (400°F). The determination of the gel time is a very simple method for the characterization and quality control of coating powders. However, the gel time determined by this method is not directly related to the time for the coating powder to cure in practical applications.

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.

1.3 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.

Significance and Use

4.1 This test method is useful for selecting coating powders that gel in the desired time at the specified temperature. The method is not useful for determination of cure time.


coating powder; gel time of coating powder; hot plate; powder coating; thermosetting;; ICS Number Code 83.080.10 (Thermosetting materials)

To find similar documents by ASTM Volume:

06.02 (Paint -- Products and Applications; Protective Coatings; Pipeline Coatings)

To find similar documents by classification:

83.080.10 (Thermosetting materials Including ebonite Silicones, see 71.100.55)

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Document Number


Revision Level

2007 R17 EDITION



Modification Type


Publication Date

June 15, 2017

Document Type

Test Method

Page Count

2 pages

Committee Number