Standard Test Method for Volatile Content of Coatings

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1.1 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. The coatings used in these round-robin studies represented air-dried, air-dried oxidizing, heat-cured baking systems, and also included multicomponent paint systems.
1.2 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). These coatings (single package, heat cured) are commonly applied in factories to automobiles, metal containers, flat (coil) metal and large appliances, and many other metal parts.
1.3 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 1—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.
1.4 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.
1.5 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.
1.6 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.
1.7 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 2—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.
1.8 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. For a specific hazard statement see 7.4.1.

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Publication Date
29-Feb-2004
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ASTM D2369-04 - Standard Test Method for Volatile Content of Coatings
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D2369–04
Standard Test Method for
1
Volatile Content of Coatings
This standard is issued under the fixed designation D2369; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
coating in practice may be substituted for the time and temperature
1. Scope
specified in this test method, subject to mutual agreement between the
1.1 This test method describes a procedure for the determi-
producer and the user. The U.S. EPA Reference Method24 specifies 110
nation of the weight percent volatile content of solventborne
6 5°C for 1 h for coatings.
and waterborne coatings. Test specimens are heated at 110 6
NOTE 4—PracticeD3960forDeterminingVolatileOrganicCompound
5°C for 60 min. (VOC) Content of Paints and Related Coatings describes procedures and
calculationsandprovidesguidanceonselectingtestmethodstodetermine
NOTE 1—The coatings used in these round-robin studies represented
VOC content of solventborne and waterborne coatings.
air-dried, air-dried oxidizing, heat-cured baking systems, and also in-
1.8 The values stated in SI units are to be regarded as the
cluded multicomponent paint systems.
standard. The values given in parentheses are for information
1.2 Sixty minutes at 110 6 5°C is a general purpose test
only.
methodbasedontheprecisionobtainedwithbothsolventborne
1.9 This standard does not purport to address all of the
and waterborne coatings (see Section 9).
safety concerns, if any, associated with its use. It is the
1.3 This test method is viable for coatings wherein one or
responsibility of the user of this standard to establish appro-
more parts may, at ambient conditions, contain liquid coreac-
priate safety and health practices and determine the applica-
tants that are volatile until a chemical reaction has occurred
bility of regulatory limitations prior to use. For a specific
with another component of the multi-package system.
hazard statement see 7.4.1.
NOTE 2—Committee D01 has run round-robin studies on volatiles of
2. Referenced Documents
multicomponentpaintsystems.Theonlychangeinprocedureistopremix
the weighed components in the correct proportions and allow the 2
2.1 ASTM Standards:
specimens to stand at room temperature for 1 h prior to placing them into
D1193 Specification for Reagent Water
the oven.
D3925 Practice for Sampling Liquid Paints and Related
1.4 Test Method D5095 for Determination of the Nonvola-
Pigmented Coatings
tile Content in Silanes, Siloxanes and Silane-Siloxane Blends
D3960 Practice for Determining Volatile Organic Com-
Used in Masonry Water Repellent Treatments is the standard
pound (VOC) Content of Paints and Related Coatings
method for nonvolatile content of these types of materials.
D5095 Test Method for Determination of the Nonvolatile
1.5 Test Methods D5403 for Volatile Content of Radiation
Content in Silanes, Siloxanes and Silane-Siloxane Blends
Curable Materials is the standard method for determining
Used in Masonry Water Repellent Treatments
nonvolatile content of radiation curable coatings, inks and
D5403 Test Methods for Volatile Content of Radiation
adhesives.
Curable Materials
1.6 Test Method D6419 for Volatile Content of Sheet-Fed
D6419 Test Method for Volatile Content of Sheet-Fed and
and Coldset Web Offset Printing Inks is the method of choice
Coldset Web Offset Printing Inks
for these types of printing inks.
E145 Specification for Gravity-Convection and Forced-
1.7 This test method may not be applicable to all types of
Ventilation Ovens
coatings. Other procedures may be substituted with mutual
E180 Practice for Determining the Precision of ASTM
agreement between the producer and the user.
Methods for Analysis and Testing of Industrial and Spe-
cialty Chemicals
NOTE 3—If unusual decomposition or degradation of the specimen
occurs during heating, the actual time and temperature used to cure the 2.2 Other Standards:
EPA Reference Method24—Determination of Volatile
1
This test method is under the jurisdiction of ASTM Committee D01 on Paint
2
and Related Coatings, Materials, andApplications and is the direct responsibility of For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Subcommittee D01.21 on Chemical Analysis of Paints and Paint Materials. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Mar. 1, 2004. Published March 2004. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1965. Last previous edition approved in 2003 as D2369–03. the ASTM website.
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