ASTM D6626-23

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.
Designation: D6626 − 23
Standard Specification for
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Performance-Graded Trinidad Lake Modified Asphalt Binder
This standard is issued under the fixed designation D6626; 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 D4402/D4402M Test Method for Viscosity Determination of
Asphalt at Elevated Temperatures Using a Rotational
1.1 This specification covers performance-graded Trinidad
Viscometer
Lake modified asphalt binders. Grading designations are re-
D6521 Practice for Accelerated Aging of Asphalt Binder
lated to the LTPPBind Online calculated maximum pavement
Using a Pressurized Aging Vessel (PAV)
design temperature and the minimum pavement design tem-
D6648 Test Method for Determining the Flexural Creep
perature.
Stiffness of Asphalt Binder Using the Bending Beam
NOTE 1—For more information on LTPPBind Online, see https://
Rheometer (BBR)
infopave.fhwa.dot.gov/Tools/LTPPBindOnline accessed July 10, 2023.
D6723 Test Method for Determining the Fracture Properties
1.2 The values stated in SI units are to be regarded as
of Asphalt Binder in Direct Tension (DT) (Withdrawn
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standard. No other units of measurement are included in this
2021)
standard.
D7175 Test Method for Determining the Rheological Prop-
erties of Asphalt Binder Using a Dynamic Shear Rheom-
1.3 This international standard was developed in accor-
eter
dance with internationally recognized principles on standard-
D7553 Test Method for Solubility of Asphalt Materials in
ization established in the Decision on Principles for the
N-Propyl Bromide
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
3. Terminology
Barriers to Trade (TBT) Committee.
3.1 Definitions:
3.1.1 Definitions for many terms common to asphalt cement
2. Referenced Documents
2 are found in Terminology D8.
2.1 ASTM Standards:
D8 Terminology Relating to Materials for Roads and Pave-
4. Ordering Information
ments
4.1 When ordering under this specification, include in the
D92 Test Method for Flash and Fire Points by Cleveland
purchase order the grade of Trinidad Lake modified asphalt
Open Cup Tester
binder required from Table 1 (for example, TLG 52-16 or TLG
D95 Test Method for Water in Petroleum Products and
64-34).
Bituminous Materials by Distillation
D140/D140M Practice for Sampling Asphalt Materials
5. Materials and Manufacture
D1754/D1754M Test Method for Effects of Heat and Air on
5.1 Trinidad Lake modified asphalt binder shall be prepared
Asphaltic Materials (Thin-Film Oven Test)
by the addition of Trinidad Lake asphalt modifier to base
D2042 Test Method for Solubility of Asphalt Materials in
asphalt produced from the refining of petroleum crude, with or
Trichloroethylene or Toluene
without the inclusion of organic or inorganic modifiers.
D2872 Test Method for Effect of Heat and Air on a Moving
5.2 Modifiers may be any suitable form of Trinidad Lake
Film of Asphalt Binder (Rolling Thin-Film Oven Test)
asphalt that may include also organic or inorganic modifiers of
suitable manufacture and preparation, and that is dissolved,
1 dispersed, or reacted in asphalt cement to enhance its perfor-
This specification is under the jurisdiction of ASTM Committee D04 on Road
and Paving Materials and is the direct responsibility of Subcommittee D04.40 on
mance.
Asphalt Specifications.
5.3 The base asphalt binder shall be homogeneous, free
Current edition approved Dec. 15, 2023. Published December 2023. Originally
approved 2001. Last previous edition approved in 2021 as D6626 – 15 (2021). DOI:
from water and deleterious materials, and shall not foam when
10.1520/D6626-23.
heated to 175 °C.
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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
3
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D6626 − 23
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TABLE 1 Performance-Graded Trinidad Lake Modified Asphalt Binder Specification
Performance Grade TLG 46- TLG 52- TLG 58- TLG 64- TLG 70- TLG 76- TLG 82-
34 40 46 10 16 22 28 34 16 22 28 34 40 10 16 22 28 34 40 10 16 22 28 34 10 16 22 28 34 10 16 22 28 34
40 46 40
LTPPBind algori
...