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ASTM D 2369 Document Information:
Title
Standard Test Method for Volatile Content of Coatings
ASTM International
Publication Date:
Jul 1, 2007
Scope:
This test method describes a procedure for the determination of
the weight percent volatile content of solventborne and waterborne
coatings. Test specimens are heated at 110 ± 5°C for 60
min.
NOTE 1—The coatings used in these round-robin studies
represented air-dried, air-dried oxidizing, heat-cured baking
systems, and also included multicomponent paint systems.
Sixty minutes at 110 ± 5°C is a general purpose test method
based on the precision obtained with both solventborne and
waterborne coatings (see Section 9).
This test method is viable for coatings wherein one or more
parts may, at ambient conditions, contain liquid coreactants that
are volatile until a chemical reaction has occurred with another
component of the multi-package system.
NOTE 2—Committee D01 has run round-robin studies on volatiles of
multicomponent paint systems. The only change in procedure is to
premix the weighed components in the correct proportions and allow
the specimens to stand at room temperature for 1 h prior to placing
them into the oven.
Test Method D 5095 for Determination of the Nonvolatile Content
in Silanes, Siloxanes and Silane-Siloxane Blends Used in Masonry
Water Repellent Treatments is the standard method for nonvolatile
content of these types of materials.
Test Methods D 5403 for Volatile Content of Radiation Curable
Materials is the standard method for determining nonvolatile
content of radiation curable coatings, inks and adhesives.
Test Method D 6419 for Volatile Content of Sheet-Fed and Coldset
Web Offset Printing Inks is the method of choice for these types of
printing inks.
This test method may not be applicable to all types of coatings.
Other procedures may be substituted with mutual agreement between
the producer and the user.
NOTE 3—If unusual decomposition or degradation of the specimen
occurs during heating, the actual time and temperature used to cure
the coating in practice may be substituted for the time and
temperature specified in this test method, subject to mutual
agreement between the producer and the user. The U.S. EPA Reference
Method 24 specifies 110 ± 5°C for 1 h for coatings.
NOTE 4—Practice D 3960 for Determining Volatile Organic Compound
(VOC) Content of Paints and Related Coatings describes procedures
and calculations and provides guidance on selecting test methods to
determine VOC content of solventborne and waterborne coatings.
The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information
only.
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:
- multicomponent paints
- nonvolatile determination
- VOC baking temperature
- VOC in paints
- volatile determination
- volatiles
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