ASTM E2301-12
(Test Method)Standard Test Method for Daytime Colorimetric Properties of Fluorescent Retroreflective Sheeting and Marking Materials for High Visibility Traffic Control and Personal Safety Applications Using 45°:Normal Geometry
Standard Test Method for Daytime Colorimetric Properties of Fluorescent Retroreflective Sheeting and Marking Materials for High Visibility Traffic Control and Personal Safety Applications Using 45<span class='unicode'>°</span>:Normal Geometry
SIGNIFICANCE AND USE
This test method provides procedures for obtaining tristimulus values, luminance factors and chromaticity coordinates of fluorescent-retroreflective materials by bispectral colorimetry using a 45:0 or 0:45 optical measuring system.
The CIE 1931 (2°) standard observer is used to calculate the colorimetric properties of fluorescent-retroreflective sheeting and markings used in daytime high visibility traffic control and personal safety applications because in practice these materials are primarily viewed from a distance where they subtend less than 4° of the visual field.
This test method is applicable to object-color specimens of any gloss level.
Due to the retroreflective properties of these materials the colorimetric data may not be suitable for use in computer colorant formulation.
This test method is suitable for quality control testing of fluorescent-retroreflective sheeting and marking materials.
Note 1—Separation of the fluorescence and reflectance components from the total colorimetric properties provides useful and meaningful information to evaluate independently the luminescent and diffuse reflective efficiency and consistency of these materials.
This test method is the referee method for determining the conformance of fluorescent-retroreflective sheeting and marking materials to standard daytime colorimetric specifications.
SCOPE
1.1 This test method describes the instrumental measurement of the colorimetric properties (CIE tristimulus values, luminance factors, and chromaticity coordinates) of fluorescent-retroreflective sheeting and marking materials when illuminated by daylight.
1.2 This test method is generally applicable to any sheeting or marking material having combined fluorescent and retroreflective properties used for daytime high visibility traffic control and personal safety applications.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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:E2301 −12
Standard Test Method for
Daytime Colorimetric Properties of Fluorescent
Retroreflective Sheeting and Marking Materials for High
Visibility Traffic Control and Personal Safety Applications
1
Using 45°:Normal Geometry
This standard is issued under the fixed designation E2301; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope E308PracticeforComputingtheColorsofObjectsbyUsing
the CIE System
1.1 This test method describes the instrumental measure-
E691Practice for Conducting an Interlaboratory Study to
ment of the colorimetric properties (CIE tristimulus values,
Determine the Precision of a Test Method
luminance factors, and chromaticity coordinates) of
E1164PracticeforObtainingSpectrometricDataforObject-
fluorescent-retroreflective sheeting and marking materials
Color Evaluation
when illuminated by daylight.
E1767Practice for Specifying the Geometries of Observa-
1.2 This test method is generally applicable to any sheeting
tion and Measurement to Characterize the Appearance of
or marking material having combined fluorescent and retrore-
Materials
flective properties used for daytime high visibility traffic
E2152Practice for Computing the Colors of Fluorescent
control and personal safety applications.
Objects from Bispectral Photometric Data
E2153Practice for Obtaining Bispectral Photometric Data
1.3 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this for Evaluation of Fluorescent Color
standard.
2.2 CIE Document:
3
1.4 This standard does not purport to address all of the CIE 15:2004Colorimetry
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 3. Terminology
priate safety and health practices and determine the applica-
3.1 Definitions—The definitions contained in Guide E179,
bility of regulatory limitations prior to use.
Terminology E284, and Practice E1164 are applicable to this
test method.
2. Referenced Documents
2
4. Summary of Test Method
2.1 ASTM Standards:
D2244Practice for Calculation of Color Tolerances and
4.1 Thistestmethodprovidesaprocedureformeasuringthe
Color Differences from Instrumentally Measured Color
colorimetric properties of fluorescent-retroreflective sheeting
Coordinates
and markings under simulated daylight illumination. Colori-
E179Guide for Selection of Geometric Conditions for
metric properties are determined for CIE D65, which approxi-
Measurement of Reflection and Transmission Properties
mates outdoor illumination at midday, and Daylight 15000 K,
of Materials
which is an alternate D illuminant chosen to represent low
E284Terminology of Appearance
ambient light/dawn/dusk daylight illumination conditions (see
CIE 15:2004).
4.2 This test method requires the use of a calibrated bispec-
1
This test method is under the jurisdiction of ASTM Committee E12 on Color
trometer (two-monochromator spectrometer) with either 45:0
and Appearance and is the direct responsibility of Subcommittee E12.05 on
or 0:45 geometry that can measure the specimen’s Donaldson
Fluorescence.
matrix (see Practice E2153).
Current edition approved July 1, 2012. Published September 2012. Originally
approvedin2003.Lastpreviouseditionapprovedin2003asE2301–03whichwas
withdrawn April 2012 and reinstated in July 2012. DOI: 10.1520/E2301-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM AvailablefromU.S.NationalCommitteeoftheCIE(InternationalCommission
Standards volume information, refer to the standard’s Document Summary page on on Illumination), C/o Thomas M. Lemons, TLA-Lighting Consultants, Inc., 7 Pond
the ASTM website. St., Salem, MA 01970, http://www.cie-usnc.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E2301−12
4.3 This test method provides for calculation and reporting deviating from these may affect the measurement results. See
of separated fluorescence, reflectance and total tristimulus Practice E1767 for fundamentals of specification of apertures.
values (XYZ) and luminance factors (Y, %), and total chroma-
NOTE 4—Fluorescent colorimetric properties (for example, Fluores-
ticity coordinates (x,y) from the Donaldson matrix for the CIE
cence tristimulus values (XYZ) ) are not significantly influenced by the
F
1931 Standard Colorimetric Observer.
aperture sizes. Reflectance colorimetric properties (for example, Reflec-
tancetristim
...
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:E2301–03 Designation: E2301 – 12
Standard Test Method for
Daytime Colorimetric Properties of Fluorescent
Retroreflective Sheeting and Marking Materials for High
Visibility Traffic Control and Personal Safety Applications
1
Using 45°:Normal Geometry
This standard is issued under the fixed designation E2301; 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 test method describes the instrumental measurement of the colorimetric properties (CIE tristimulus values, luminance
factors, and chromaticity coordinates) of fluorescent-retroreflective sheeting and marking materials when illuminated by daylight.
1.2 Thistestmethodisgenerallyapplicabletoanysheetingormarkingmaterialhavingcombinedfluorescentandretroreflective
properties used for daytime high visibility traffic control and personal safety applications.
1.3
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
E179 Guide for Selection of Geometric Conditions for Measurement of Reflection and Transmission Properties of Materials
E284 Terminology of Appearance
E308 Practice for Computing the Colors of Objects by Using the CIE System
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E1164 Practice for Obtaining Spectrometric Data for Object-Color Evaluation
E1767 Practice for Specifying the Geometries of Observation and Measurement to Characterize the Appearance of Materials
E2152 Practice for Computing the Colors of Fluorescent Objects from Bispectral Photometric Data
E2153 Practice for Obtaining Bispectral Photometric Data for Evaluation of Fluorescent Color
2.2 CIE Document:
3
CIE 15.2CIE 15:2004 Colorimetry
3. Terminology
3.1 Definitions—The definitions contained in Guide E179, Terminology E284, and Practice E1164 are applicable to this test
method.
4. Summary of Test Method
4.1 This test method provides a procedure for measuring the colorimetric properties of fluorescent-retroreflective sheeting and
markings under simulated daylight illumination. Colorimetric properties are determined for CIE D65, which approximates outdoor
illuminationatmidday,andDaylight15 000K,whichisanalternateDilluminantchosentorepresentlowambientlight/dawn/dusk
daylight illumination conditions (see CIE 15.215:2004).
1
This test method is under the jurisdiction ofASTM Committee E12 on Color andAppearance and is the direct responsibility of Subcommittee E12.05 on Fluorescence.
Current edition approved July 10, 2003. Published August 2003. DOI: 10.1520/E2301-03.
Current edition approved July 1, 2012. Published September 2012. Originally approved in 2003. Last previous edition approved in 2003 as E2301 – 03 which was
withdrawn April 2012 and reinstated in July 2012. DOI: 10.1520/E2301-12.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from U.S. National Committee of the CIE (International Commission on Illumination), C/o Thomas M. Lemons, TLA-Lighting Consultants, Inc., 7 Pond St.,
Salem, MA 01970, http://www.cie-usnc.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
E2301 – 12
4.2 This test method requires the use of a calibrated bispectrometer (two-monochromator spectrometer) with either 45:0 or 0:45
geometry that can measure the specimen’s Donaldson matrix (see Practice E2153).
4.3 This test method provides for calculation and reporting of separated fluorescence, reflectance and total tristimulus values
(XYZ) and luminance factors (Y, %), and total chromaticity coordinates (x,y) from the Donald
...
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