ASTM D3924-16(2019)
(Specification)Standard Specification for Standard Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials
Standard Specification for Standard Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials
ABSTRACT
This specification defines standard environment for normal conditioning and testing of paint, varnish, lacquer, and related coating materials. Conditioning and testing of such materials shall be carried out in an atmosphere having room temperature and relative humidity within the limits of the standard specification. Moreover, the standard room or cabinet for conditioning and testing shall be well-ventilated and free of drafts, dusts, combustion products, and laboratory fumes. Conditioning, routine, and referee testing, shall be done in accordance with the specification.
SCOPE
1.1 This specification defines the standard atmospheres for normal conditioning and testing of paint, varnish, lacquer, and related materials, at approximately ambient conditions.
Note 1: See Terminology E41, Specification E171 and Test Method E337.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
General Information
- Status
- Published
- Publication Date
- 31-May-2019
- Technical Committee
- D01 - Paint and Related Coatings, Materials, and Applications
- Drafting Committee
- D01.20 - Quality Assurance and Statistics
Relations
- Effective Date
- 01-Dec-2010
- Effective Date
- 01-Oct-2007
- Effective Date
- 01-Apr-2007
- Effective Date
- 10-Oct-2002
- Effective Date
- 10-Jun-1998
- Effective Date
- 01-Jan-1996
- Effective Date
- 15-Nov-1994
- Effective Date
- 15-May-1992
- Effective Date
- 15-May-1992
Overview
ASTM D3924-16(2019), titled Standard Specification for Standard Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials, is an internationally recognized standard developed by ASTM International. This specification establishes a standardized environment for the conditioning and testing of organic coatings and related materials. The document defines precise guidelines for temperature, humidity, and atmospheric conditions in which paints, varnishes, lacquers, and similar materials should be tested to ensure consistency and comparability of results.
By adhering to ASTM D3924, laboratories and manufacturers can minimize variability in test results attributed to environmental factors. The standard also supports regulatory compliance and quality assurance processes in the coatings industry.
Key Topics
Standard Atmosphere Requirements
The standard specifies conditioning and testing environments with:- Temperature: 23 ± 2°C (73.5 ± 3.5°F)
- Relative humidity: 50 ± 10%
- More stringent tolerances if required by specific tests
Room and Cabinet Conditions
- Facilities must be well-ventilated
- They must be free from drafts, dust, combustion products, and laboratory fumes
- Standard lighting for paint test rooms applies unless otherwise specified
Conditioning and Testing Protocols
- Materials and test equipment must be conditioned in the specified atmosphere for at least 3 hours before testing
- Routine testing may be performed at room temperature if close control is not critical, typically between 18 to 29.5°C (65 to 85°F)
- Referee tests must use the fully defined standard environment
International Recognition
- Conforms to the principles established by the World Trade Organization's Technical Barriers to Trade (TBT) Committee for the development of international standards
Applications
ASTM D3924 is vital for organizations involved in the manufacture, research, or quality assurance of paint, varnish, lacquer, and related coatings. Common applications include:
- Product Development: Ensures that newly developed coatings are tested under standardized conditions, allowing for reliable performance assessment and comparison.
- Quality Control: Laboratories use the specified environmental conditions to maintain repeatable quality assurance tests and monitor batch consistency.
- Regulatory Compliance: Many industries and government bodies reference this standard to meet contract or regulatory requirements for paints and coatings.
- Interlaboratory Consistency: By standardizing environmental conditions, the specification supports reproducible results across different facilities and geographical locations.
Related Standards
Organizations using ASTM D3924 often refer to related ASTM standards for comprehensive testing and terminology, including:
- ASTM E41: Terminology Relating to Conditioning (withdrawn, but historically referenced)
- ASTM E171: Practice for Conditioning and Testing Flexible Barrier Packaging
- ASTM E337: Test Method for Measuring Humidity with a Psychrometer
By implementing ASTM D3924 alongside these related standards, users can achieve reliable, standardized results in the conditioning and testing of paints, varnishes, lacquers, and other coating materials.
Keywords: ASTM D3924, conditioning environment, standard testing atmosphere, paint testing, varnish testing, lacquer testing, coatings industry standards, laboratory humidity control, quality assurance, international standardization.
Frequently Asked Questions
ASTM D3924-16(2019) is a technical specification published by ASTM International. Its full title is "Standard Specification for Standard Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials". This standard covers: ABSTRACT This specification defines standard environment for normal conditioning and testing of paint, varnish, lacquer, and related coating materials. Conditioning and testing of such materials shall be carried out in an atmosphere having room temperature and relative humidity within the limits of the standard specification. Moreover, the standard room or cabinet for conditioning and testing shall be well-ventilated and free of drafts, dusts, combustion products, and laboratory fumes. Conditioning, routine, and referee testing, shall be done in accordance with the specification. SCOPE 1.1 This specification defines the standard atmospheres for normal conditioning and testing of paint, varnish, lacquer, and related materials, at approximately ambient conditions. Note 1: See Terminology E41, Specification E171 and Test Method E337. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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.
ABSTRACT This specification defines standard environment for normal conditioning and testing of paint, varnish, lacquer, and related coating materials. Conditioning and testing of such materials shall be carried out in an atmosphere having room temperature and relative humidity within the limits of the standard specification. Moreover, the standard room or cabinet for conditioning and testing shall be well-ventilated and free of drafts, dusts, combustion products, and laboratory fumes. Conditioning, routine, and referee testing, shall be done in accordance with the specification. SCOPE 1.1 This specification defines the standard atmospheres for normal conditioning and testing of paint, varnish, lacquer, and related materials, at approximately ambient conditions. Note 1: See Terminology E41, Specification E171 and Test Method E337. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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.
ASTM D3924-16(2019) is classified under the following ICS (International Classification for Standards) categories: 87.040 - Paints and varnishes. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D3924-16(2019) has the following relationships with other standards: It is inter standard links to ASTM E41-92(2010), ASTM E337-02(2007), ASTM E171-94(2007), ASTM E337-02, ASTM E41-92(1998), ASTM E337-84(1996)e1, ASTM E171-94(2002), ASTM E41-92(2004), ASTM E41-92(2003). Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D3924-16(2019) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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.
Designation: D3924 −16 (Reapproved 2019)
Standard Specification for
Standard Environment for Conditioning and Testing Paint,
Varnish, Lacquer, and Related Materials
This standard is issued under the fixed designation D3924; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope temperature or relative humidity shall be carried out in an
atmosphere having a temperature of 23 6 2°C (73.5 6 3.5°F)
1.1 This specification defines the standard atmospheres for
and a relative humidity of 50 6 10 %. If closer tolerances are
normal conditioning and testing of paint, varnish, lacquer, and
required, 61°C (62°F) or even narrower limits, and 65%
related materials, at approximately ambient conditions.
relative humidity may be specified.
NOTE 1—See Terminology E41, Specification E171 and Test Method
NOTE 2—The positive and negative deviations from the specified set
E337.
points are maximum allowed operational fluctuations during equilibrium
conditions. If the operational fluctuations are beyond the stated tolerances,
1.2 The values stated in SI units are to be regarded as the
discontinue the conditioning or testing and correct the cause of the
standard. The values given in parentheses are for information
tolerance exceedance before continuing.
only.
3.2 The standard room or cabinet shall be well-ventilated
1.3 This international standard was developed in accor-
but free of drafts, dust, products of combustion, and laboratory
dance with internationally recognized principles on standard-
fumes.Lightingconditions,unlessotherwisespecified,shallbe
ization established in the Decision on Principles for the
that normally maintained in a room used for paint test
Development of International Standards, Guides and Recom-
purposes.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
4. Standard Temperature
4.1 Unless otherwise specified, the standard test tempera-
2. Referenced Documents
ture shall be as specified in Section 3.
2.1 ASTM Standards:
E41 Terminology Relating to Conditioning (Withdrawn
5. Room Temperature
2019)
5.1 A temperature in the range from 18 to 29.5°C (65 to
E171 Practice for Conditioning and Testing Flexible Barrier
85°F) shall be called room temperature.
Packaging
E337 Test Method for Measuring Humidity with a Psy-
6. Conditioning and Testing
chrometer (the Measurement of Wet- and Dry-Bulb Tem-
6.1 Unless otherwise specified in the test method, condition
peratures)
the organic coating materials or dried test films thereof and the
test equipment for not less
...
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