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ASTM D7942-15

(Specification)

Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow Areas

Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow Areas

ABSTRACT
This specification covers reflectorized thermoplastic based pavement striping material of the class that is applied to the road surface in a molten state by screed/extrusion or ribbon extrusion means. It deals with longitudinal applications in non snow plow areas, standard (non-profile) pavement marking applications, and applications on smooth asphalt or concrete surfaces. It does not include asphalt seal coat applications, which use large aggregate resulting in a very rough, open grade finish. This specification establishes requirements with respect to chemical composition and physical property of the thermoplastic pavement marking material, requirements for the optics that are used to reflectorize the thermoplastic pavement marking material after application, field performance requirements for the installed thermoplastic pavement markings, and material application requirements.
SCOPE
1.1 This specification covers a reflectorized thermoplastic based pavement striping material of the class that is applied to the road surface in a molten state by screed/extrusion or ribbon extrusion means. Retroreflectivity of the pavement marking compound is achieved initially by surface application of retroreflective optics at the time of pavement marking application. Upon cooling to normal pavement temperature, the pavement marking material produces an adherent reflectorized stripe of specified thickness and width capable of resisting deformation by traffic. The pavement marking compound includes retroreflective optics (glass beads or composite optics, or both) that are incorporated into the material at the time of manufacture that provide retroreflective properties during the service life of the material.  
1.1.1 This specification is limited to:
1.1.1.1 Longitudinal applications in non snow plow areas,
1.1.1.2 Standard (non-profile) pavement marking applications, and
1.1.1.3 Applications on smooth asphalt or concrete surfaces. Asphalt seal coat applications, which use large aggregate resulting in a very rough, open grade finish, are excluded from this specification.  
1.1.2 This specification includes:
1.1.2.1 Compositional and physical property requirements of the thermoplastic pavement marking material,
1.1.2.2 Requirements for the optics that are used to reflectorize the thermoplastic pavement marking material after application,
1.1.2.3 Field performance requirements for the installed thermoplastic pavement markings, and
1.1.2.4 Material application requirements.  
1.2 The values stated in inch-pounds units are to be regarded as the standard except where noted in the document. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
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.

General Information

Status
Historical
Publication Date
31-Dec-2014
ICS
93.080.30 - Road equipment and installations
Technical Committee
D04 - Road and Paving Materials
Drafting Committee
D04.38 - Highway Traffic Control Materials
Current Stage
Ref Project

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ASTM D7942-15 - Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow AreasASTM D7942-15 - Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow Areas
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ASTM D7942-15 - Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow Areas
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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: D7942 − 15
Standard Specification for
Thermoplastic Pavement Markings in Non Snow Plow
1
Areas
This standard is issued under the fixed designation D7942; 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 1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
1.1 This specification covers a reflectorized thermoplastic
responsibility of the user of this standard to establish appro-
based pavement striping material of the class that is applied to
priate safety and health practices and determine the applica-
the road surface in a molten state by screed/extrusion or ribbon
bility of regulatory limitations prior to use.
extrusion means. Retroreflectivity of the pavement marking
compound is achieved initially by surface application of
2. Referenced Documents
retroreflective optics at the time of pavement marking appli-
2
2.1 ASTM Standards:
cation. Upon cooling to normal pavement temperature, the
D36 Test Method for Softening Point of Bitumen (Ring-and-
pavement marking material produces an adherent reflectorized
Ball Apparatus)
stripe of specified thickness and width capable of resisting
D92 Test Method for Flash and Fire Points by Cleveland
deformation by traffic. The pavement marking compound
Open Cup Tester
includes retroreflective optics (glass beads or composite optics,
D4960 Test Method for Evaluation of Color for Thermoplas-
or both) that are incorporated into the material at the time of
tic Traffic Marking Materials
manufacture that provide retroreflective properties during the
D6628 Specification for Color of Pavement Marking Mate-
service life of the material.
rials
1.1.1 This specification is limited to:
D7307 Practice for Sampling of Thermoplastic Traffic Mark-
1.1.1.1 Longitudinal applications in non snow plow areas,
ing Materials
1.1.1.2 Standard (non-profile) pavement marking
D7308 Practice for Sample Preparation of Thermoplastic
applications, and
Traffic Marking Materials
1.1.1.3 Applications on smooth asphalt or concrete surfaces.
D7585 Practice for Evaluating Retroreflective Pavement
Asphalt seal coat applications, which use large aggregate
Markings Using Portable Hand-Operated Instruments
resulting in a very rough, open grade finish, are excluded from
D7735 Test Method for Type A Durometer Hardness Testing
this specification.
of Road Marking Thermoplastic at Elevated Temperatures
1.1.2 This specification includes:
E313 Practice for Calculating Yellowness and Whiteness
1.1.2.1 Compositional and physical property requirements
Indices from Instrumentally Measured Color Coordinates
of the thermoplastic pavement marking material,
E1710 Test Method for Measurement of Retroreflective
1.1.2.2 Requirements for the optics that are used to reflec-
Pavement Marking Materials with CEN-Prescribed Ge-
torize the thermoplastic pavement marking material after
ometry Using a Portable Retroreflectometer
application,
G155 Practice for Operating Xenon Arc Light Apparatus for
1.1.2.3 Field performance requirements for the installed
Exposure of Non-Metallic Materials
thermoplastic pavement markings, and
3
1.1.2.4 Material application requirements. 2.2 AASHTO Standards:
AASHTO M247 Standard Specification for Glass Beads
1.2 The values stated in inch-pounds units are to be re-
Used in Traffic Paints
garded as the standard except where noted in the document.
AASHTO T250 Standard Method of Test for Thermoplastic
The values given in parentheses are mathematical conversions
to SI units that are provided for information only and are not
considered standard.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
1
This specification is under the jurisdiction of ASTM Committee D04 on Road Standards volume information, refer to the standard’s Document Summary page on
and Paving Materials and is the direct responsibility of Subcommittee D04.38 on the ASTM website.
3
Highway Traffic Control Materials. Available from American Association of State Highway and Transportation
Current edition approved Jan. 1, 2015. Published January 2015. DOI: 10.1520/ Officials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001,
D7942-15. http://www.transportation.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D7942 − 15
Traffic Line Material 6. Materials and Manufacture
6.1 The thermoplastic material shall be available
...

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Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow Areas

ABSTRACT
This specification covers reflectorized thermoplastic based pavement striping material of the class that is applied to the road surface in a molten state by screed/extrusion or ribbon extrusion means. It deals with longitudinal applications in non snow plow areas, standard (non-profile) pavement marking applications, and applications on smooth asphalt or concrete surfaces. It does not include asphalt seal coat applications, which use large aggregate resulting in a very rough, open grade finish. This specification establishes requirements with respect to chemical composition and physical property of the thermoplastic pavement marking material, requirements for the optics that are used to reflectorize the thermoplastic pavement marking material after application, field performance requirements for the installed thermoplastic pavement markings, and material application requirements.
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1.1 This specification covers a reflectorized thermoplastic-based pavement striping material of the class that is applied to the road surface in a molten state by screed/extrusion or ribbon extrusion means. Retroreflectivity of the pavement marking compound is achieved initially by surface application of retroreflective optics at the time of pavement marking application. Upon cooling to normal pavement temperature, the pavement marking material produces an adherent reflectorized stripe of specified thickness and width capable of resisting deformation by traffic. The pavement marking compound includes retroreflective optics (glass beads or composite optics, or both) that are incorporated into the material at the time of manufacture that provide retroreflective properties during the service life of the material.  
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1.1.2 This specification includes:
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3.1 This test method serves as a laboratory control test. Types of pavement markings that can be tested with this method are waterborne traffic paint, solvent borne traffic paint, and some two component 100 % solids liquid pavement markings, such as epoxy and modified epoxy pavement markings. If wet film thickness, temperature, and humidity are controlled within the tolerances specified herein, this method can be useful for relative testing of pavement markings and potentially for qualification of pavement markings for field application in approved specifications. For improved repeatability and meaningful comparison of pavement markings samples being tested, consistent air flow over the pavement marking films during testing is important. The buyer and seller should agree upon the air flow conditions, whether it be static or carefully regulated air flow (see 4.6.1 and 4.6.2). Because of the many variables operative in the field application of pavement markings (for example, wet film thickness, air temperature, humidity, wind speed, pavement type (asphalt or concrete), film profile over pavement, pavement temperature, pavement porosity, pavement moisture content, and the presence or absence of direct sunlight during striping), a direct correlation between the results of this test and field applications is difficult to obtain. However, relative field performance can be predicted using this method if the testing protocol is adhered to. For testing of two component 100 % solids liquid pavement markings an application of drop on retroreflective optics are typically applied at a specified rate to the markings prior to testing. For these types of pavement markings the regulation of air flow is not necessary due to the drying mechanics of the product.
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ASTM D7942-15(2023)(Specification)
Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow Areas

ABSTRACT
This specification covers reflectorized thermoplastic based pavement striping material of the class that is applied to the road surface in a molten state by screed/extrusion or ribbon extrusion means. It deals with longitudinal applications in non snow plow areas, standard (non-profile) pavement marking applications, and applications on smooth asphalt or concrete surfaces. It does not include asphalt seal coat applications, which use large aggregate resulting in a very rough, open grade finish. This specification establishes requirements with respect to chemical composition and physical property of the thermoplastic pavement marking material, requirements for the optics that are used to reflectorize the thermoplastic pavement marking material after application, field performance requirements for the installed thermoplastic pavement markings, and material application requirements.
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1.1.2 This specification includes:
1.1.2.1 Compositional and physical property requirements of the thermoplastic pavement marking material,
1.1.2.2 Requirements for the optics that are used to reflectorize the thermoplastic pavement marking material after application,
1.1.2.3 Field performance requirements for the installed thermoplastic pavement markings, and
1.1.2.4 Material application requirements.  
1.2 The values stated in inch-pounds units are to be regarded as the standard except where noted in the document. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
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1.4 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.

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ASTM D2792-17(2022)(Practice)
Standard Practice for Solvent and Fuel Resistance of Traffic Paint

SIGNIFICANCE AND USE
4.1 Traffic paints must have good resistance to motor oil and fuel drippings on the highway. This test method describes the procedure necessary to evaluate the resistance of traffic paint to reference test fluids in order to simulate this type of action.
SCOPE
1.1 This practice describes a laboratory procedure for determining the resistance of a dried film of traffic paint to the action of a specified hydrocarbon solvent or gasoline fuel test fluid.  
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 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 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.

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ASTM D4797-17(2022)(Test Method)
Standard Test Methods for Gravimetric Analysis of White and Yellow Thermoplastic Pavement Marking

SIGNIFICANCE AND USE
5.1 The function of these test methods is to define the percent of binder and retroreflective optics or non-retroreflective particles in the composition of the thermoplastic pavement marking as defined by the applicable specification for the manufacture of a specific thermoplastic pavement marking. The subsequent sample, as a result of ashing can be used to later test for the presence of titanium dioxide, lead chromate and possibly organic pigments.
SCOPE
1.1 These test methods cover procedures for the gravimetric analysis of the binder and hydrochloric Acid (HCL) insoluble particles in white and yellow thermoplastic pavement markings. The HCL insoluble particles can be retroreflective optics, such as glass beads or some other type of retroreflective optic, or non-retroreflective particles such as silica sand, or a combination of any two or more of these materials.  
1.2 This standard does not address the physical separation and the individual quantification of each component when a mixture of two or more HCL insoluble materials is present. Rather it requires the user to visually evaluate the HCL insoluble material (obtained from following this test method) and report the types of materials present.  
1.3 This standard does not purport to address the titanium dioxide or lead chromate pigment measurement (after ashing) which is detailed in Test Methods D1394 and D126.  
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1.5 The analytical procedures appear in the following order:    
Sections  
Percent Binder  
10  
Percent Retroreflective Optics or
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11  
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