ASTM D6578-08
(Practice)Standard Practice for Determination of Graffiti Resistance
Standard Practice for Determination of Graffiti Resistance
SIGNIFICANCE AND USE
Graffiti on building and structures is an ongoing and increasing problem. A number of coatings have been produced that are intended to be resistant to the application of a graffiti marking, or to provide a surface from which such markings can be easily removed. The procedures described in this practice provide a standard set of conditions that can be used to evaluate the graffiti resistance of a surface.
Graffiti resistance determined according to this practice is applicable to smooth surfaces. Graffiti resistance of the same coatings applied to a rough or textured surface may be lower.
Graffiti resistance of coatings determined after natural or laboratory accelerated weathering, either before or after marking, conducted according to this practice, is considered as having more weight than graffiti resistance of the same coating determined without weathering. Graffiti resistance of coatings determined after natural weathering should be considered as having more weight than graffiti resistance determined after laboratory accelerated weathering.
SCOPE
1.1 This practice covers a basic method for evaluating graffiti resistance of coatings, and use of this practice to evaluate graffiti resistance of coatings after outdoor or laboratory accelerated exposure (either prior to or after graffiti is applied). Graffiti resistance is based on how a defined set of markings is removed by a defined set of cleaning agents.
1.2 This practice also defines procedures (optional) to evaluate graffiti removal after re-marking with subsequent re-cleaning. It does not address recoatability after a coating is no longer graffiti resistant.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 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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Designation: D6578 − 08
StandardPractice for
1
Determination of Graffiti Resistance
This standard is issued under the fixed designation D6578; 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 ering Tests of Nonmetallic Materials
1.1 This practice covers a basic method for evaluating
3. Terminology
graffiti resistance of coatings, and use of this practice to
3.1 The definitions given in Terminology G113 are appli-
evaluate graffiti resistance of coatings after outdoor or labora-
cable to this practice.
tory accelerated exposure (either prior to or after graffiti is
applied). Graffiti resistance is based on how a defined set of 3.2 Definitions of Terms Specific to This Standard:
markings is removed by a defined set of cleaning agents. 3.2.1 cleaning agent, n—a material used to remove a mark-
ing material from the coating surface.
1.2 This practice also defines procedures (optional) to
3.2.2 graffıti resistance, n—the property of coatings to be
evaluate graffiti removal after re-marking with subsequent
resistant to the application of graffiti or exhibiting removal of
re-cleaning. It does not address recoatability after a coating is
graffiti without surface damage.
no longer graffiti resistant.
3.2.3 marking material, n—a material that can be used to
1.3 The values stated in SI units are to be regarded as the
produce graffiti.
standard. The values given in parentheses are for information
only.
3.2.4 recleanability, n—the ability of a coating to withstand
multiple cycles of marking with subsequent cleaning while
1.4 This standard does not purport to address all of the
maintaining its original characteristics.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 3.2.5 repellent, n—the property of coatings that prevents
priate safety and health practices and determine the applica-
materials commonly used as graffiti markings, from forming a
bility of regulatory limitations prior to use. continuous film upon application.
4. Summary of Practice
2. Referenced Documents
2
4.1 A series of materials typically used as graffiti markings
2.1 ASTM Standards:
is applied to test panels of the surface being evaluated. Test
D523 Test Method for Specular Gloss
specimensmaybeexposedtooutdoororacceleratedexposures
D4587 Practice for Fluorescent UV-Condensation Expo-
(either before or after markings have been applied).The graffiti
sures of Paint and Related Coatings
markings are removed using a series of procedures that begin
E1347 Test Method for Color and Color-Difference Mea-
with wiping with a dry cloth and end with cleaning the surface
surement by Tristimulus Colorimetry
with an aggressive cleaner. After the best attempt has been
E1349 Test Method for Reflectance Factor and Color by
madetoremovemarkings,specimensareevaluatedvisually,or
Spectrophotometry Using Bidirectional (45°:0° or 0°:45°)
alternatively, by gloss and color change measurements to
Geometry
determine cleanliness. The graffiti resistance is reported as a
G7 Practice for Atmospheric Environmental Exposure Test-
cleanability level based on the mildest cleaning agent that
ing of Nonmetallic Materials
completely removes the graffiti marking without damaging the
G113 Terminology Relating to Natural andArtificial Weath-
coating.
5. Significance and Use
1
This practice is under the jurisdiction of ASTM Committee D01 on Paint and
Related Coatings, Materials, and Applications and is the direct responsibility of
5.1 Graffiti on building and structures is an ongoing and
Subcommittee D01.46 on Industrial Protective Coatings.
increasing problem.Anumber of coatings have been produced
Current edition approved Oct. 15, 2008. Published December 2008. Originally
that are intended to be resistant to the application of a graffiti
approved in 2000. Last previous edition approved in 2000 as D6578 - 00. DOI:
10.1520/D6578-08.
marking,ortoprovideasurfacefromwhichsuchmarkingscan
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
be easily removed. The procedures described in this practice
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
provideastandardsetofconditionsthatcanbeusedtoevaluate
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. the graffiti resistance of a surface.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D6578 − 08
5.2 Graffiti resistance determined according to this pra
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This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D6578–00 Designation:D6578–08
Standard Practice for
1
Determination of Graffiti Resistance
This standard is issued under the fixed designation D 6578; 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
1.1 This practice covers a basic method for evaluating graffiti resistance of coatings, and use of this practice to evaluate graffiti
resistance of coatings after outdoor or laboratory accelerated exposure (either prior to or after graffiti is applied). Graffiti resistance
is based on how a defined set of markings is removed by a defined set of cleaning agents.
1.2A procedure for evaluating graffiti removal by alternate cleaning agents is included in a mandatory annex.
1.3This 1.2 This practice also defines procedures (optional) to evaluate graffiti removal after re-marking with subsequent
re-cleaning. It does not address recoatability after a coating is no longer graffiti resistant.
1.4The1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information
only.
1.51.4 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
2.1 ASTM Standards:
D 523 Test Method for Specular Gloss
D740Specification for Methyl Ethyl Ketone 4587 Practice for Fluorescent UV-Condensation Exposures of Paint and Related
Coatings
D5402Practice for Assessing the Solvent Resistance of Organic Coatings Using Solvent Rubs
E 1347 Test Method for Color and Color-Difference Measurement by Tristimulus (Filter) Colorimetry
2
E 1349 Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional Geometry
Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional (45:0 or 0:45) Geometry
G7 Practice for Atmospheric Environmental Exposure Testing of Nonmetallic Materials
5
G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
5
G147Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests
5
G154Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials Terminology Relating to
Natural and Artificial Weathering Tests of Nonmetallic Materials
3. Terminology
3.1 The definitions given in Terminology G 113are applicable to this practice.
3.2 Definitions of Terms Specific to This Practice:
3.2.1 graffıti resistance—The property of coatings to be resistant to the application of graffiti or exhibiting easy removal of
graffiti without surface damage. cleaning agent, n—a material used to remove a marking material from the coating surface.
3.2.2 repellent—The property of coatings that prevents materials commonly used as graffiti markings, from forming a
continuous film upon application. graffiti resistance, n—the property of coatings to be resistant to the application of graffiti or
exhibiting removal of graffiti without surface damage.
3.2.3 marking material, n—a material that can be used to produce graffiti.
3.2.4 recleanability, n—the ability of a coating to withstand multiple cycles of marking with subsequent cleaning while
maintaining its original characteristics.
1
This practice is under the jurisdiction of ASTM Committee D01 on Paint and Related Coatings, Materials, and Applications and is the direct responsibility of
Subcommittee D01.46 on Industrial Protective Coatings.
Current edition approved July 10, 2000. Published September 2000.
Current edition approved Oct. 15, 2008. Published December 2008. Originally approved in 2000. Last previous edition approved in 2000 as D 6578 - 00.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
, Vol 06.01.volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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D6578–08
3.2.5 repellent, n—the property of coatings that prevents materials commonly used as
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