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Normas ASTM – AENOR
ASTM D4217-07(2013)

ASTM D4217-07(2013)

Standard Test Method for Gel Time of Thermosetting Coating Powder

Fecha:
2017-06-19 /Historical
Superseeded by:
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.

Scope:

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.

Keywords:
coating powder; gel time of coating powder; hot plate; powder coating; thermosetting
44,44
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