Standard Test Method for Evaluating Degree of Bleeding of Traffic Paint

SIGNIFICANCE AND USE
Solvents in a traffic paint may cause bleeding of pavement constituents into the traffic marking, thereby rendering the traffic marking less effective as a lane or directional indicator. This test method in conjunction with the method for panel preparation in Test Method D 969 is used to evaluate such bleeding properties. The evaluation is very subjective and raises questions as to the usefulness of the results for specification compliance.
SCOPE
1.1 The photographic reference standards that are part of this test method are representative of the degrees of bleeding of traffic or pavement marking paints. The standards are intended primarily for comparative evaluation in the laboratory.
1.2 Bleeding as defined is the only type of discoloration in this test method.
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.

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Historical
Publication Date
30-Nov-2003
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ASTM D868-85(2003) - Standard Test Method for Evaluating Degree of Bleeding of Traffic Paint
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D868–85(Reapproved2003)
Standard Test Method for
1
Evaluating Degree of Bleeding of Traffic Paint
This standard is issued under the fixed designation D868; 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.
1. Scope 4. Significance and Use
1.1 The photographic reference standards that are part of 4.1 Solvents in a traffic paint may cause bleeding of
2
this test method are representative of the degrees of bleeding pavement constituents into the traffic marking, thereby render-
of traffic or pavement marking paints. The standards are ing the traffic marking less effective as a lane or directional
intended primarily for comparative evaluation in the labora- indicator. This test method in conjunction with the method for
tory. panel preparation inTest Method D969 is used to evaluate such
1.2 Bleeding as defined is the only type of discoloration in bleeding properties. The evaluation is very subjective and
this test method. raises questions as to the usefulness of the results for specifi-
1.3 This standard does not purport to address all of the cation compliance.
safety concerns, if any, associated with its use. It is the
5. Use of Photographic Reference Standards
responsibility of the user of this standard to establish appro-
5.1 The photographic reference standards that are part of
priate safety and health practices and determine the applica-
2
bility of regulatory limitations prior to use. this test method are representative of the degrees of bleeding
of traffic or pavement marking paints. The photograph in Fig.
2. Referenced Documents
1 is for illustration purposes only and should not be used for
3
2.1 ASTM Standards: evaluation.
D969 Test Method for Laboratory Determination of Degree 5.2 The use of the photographic reference standards shown
of Bleeding of Traffic Paint in Fig. 1 should be as follows:
2.2 ASTM Adjuncts: 5.3 In preparing films to compare with the reference stan-
2
D 868 Bleeding resistance of paint (one photo) dards for evaluating the extent of bleeding, the paint shall be
applied to:
3. Terminology
5.3.1 A nonbleeding reference surface, and
3.1 Definitions of Terms Specific to This Standard:
5.3.2 The test surface.
3.1.1 bleeding characteristic—that condition of discolora- 5.4 The paint under test shall be applied at a film thickness
tion manifested in traffic paint when applied to tar or asphaltic-
sufficient to ensure complete hiding.
type substrates. The number assigned to evaluate the degree of 5.5 The contrast in color between the films over the non-
bleeding failure represents in these reference standards a
bleeding reference surface and the test surface shall be com-
measure of the contrast between the color of the dry film on a pared with the reference standards in Fig. 1 for a numerical
nonbleeding surface and the color of the dry film on the test
rating.
surface.
NOTE 1—The degree of bleeding
...

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