ASTM-D7539 › Standard Practice for Using a Test Chamber for Humidity Conditioning of Test Panels of Pavement Marking Paints
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1.1 Specification defines a standard environment of 23 ± 2°C and 50 ± 5 % relative humidity and free from drafts for normal conditioning and testing of paint, varnish, lacquer, and related materials. This practice describes a test chamber that allows for control of relative humidity above the ambient relative humidity and minimization of air flow for conditioning of test panels at elevated relative humidity and room temperatures.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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 and health practices and determine the applicability of regulatory limitations prior to use.
drying rate or drying time; dry through; no-pick-up; relative humidity; test chamber; washout resistance; waterborne traffic paint;; ICS Number Code 87.040 (Paints and varnishes); 93.080.30 (Road equipment and installations)
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93.080.30 (Road equipment and installations Including road traffic warning and control systems, devices and installations (speed controls, traffic signal installations, vehicle loop detectors, pavement markers, manholes, etc.))
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2010 R15 EDITION
June 15, 2015