Standard Test Methods for
Evaluating the Degree of Chalking of Exterior Paint Films1
This standard is issued under the fixed designation D 4214; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of the last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 These test methods cover the evaluation of the degree of
chalking on white or tinted exterior paint films. These test
methods describe the procedures recommended for transferring
the chalk to a fabric or fingertip, which is then compared to
photographic reference standards, or in the case of adhesive
tapes, compared to a reflectance table or photographic reference standards, to determine the degree of chalking.
1.2 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
information only.
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.
2. Referenced Documents
2.1 ASTM Standards:
D 662 Test Method for Evaluating Degree of Erosion of
Exterior Paints2
E 1347 Test Method for Color and Color-Difference Measurement by Tristimulus (Filter) Colorimetry2
2.2 Other Document:
Pictorial Standards of Coating Defects3
3. Terminology
3.1 Definitions:
3.1.1 chalking—the formation on a pigmented coating of a
friable powder evolved from the film itself at or just beneath
the surface.
4. Significance and Use
4.1 The procedures provide a broad range of techniques and
photographic references to evaluate chalking of exterior paints
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