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ASTM D2493-01

(Guide)

Standard Viscosity-Temperature Chart for Asphalts

Standard Viscosity-Temperature Chart for Asphalts

SCOPE
1.1 The viscosity-temperature chart covered by this standard is a convenient means of plotting data for estimating the viscosity of asphalts at any temperature within a limited range. Conversely, the chart may be used to ascertain the temperature at which a desired viscosity is attained.
1.2 The chart is suitable for original asphalt cements and for asphalts recovered from laboratory aging tests or extracted from pavements.
1.3 The chart is based on a viscosity-temperature relationship that can be plotted using any appropriate set of units. For convenience, charts based on both conventional and SI units are provided.
1.4 The range of the chart is sufficient for roofing asphalts.
1.5 The range of the chart is sufficient for liquid asphalts (bitumens) whose viscosity exceeds 0.1 poise (10 centipoise).

General Information

Status
Historical
Publication Date
09-Dec-2001
ICS
91.100.50 - Binders. Sealing materials
93.080.20 - Road construction materials
Technical Committee
D04 - Road and Paving Materials
Drafting Committee
D04.44 - Rheological Tests
Current Stage
Ref Project

Relations

Replaces
ASTM D2493-95a - Standard Viscosity-Temperature Chart for Asphalts
Effective Date
10-Dec-2001
Replaced By
ASTM D2493-01e1 - Standard Viscosity-Temperature Chart for Asphalts
Effective Date
10-Dec-2001

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ASTM D2493-01 - Standard Viscosity-Temperature Chart for Asphalts
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D2493–01
Standard
1
Viscosity-Temperature Chart for Asphalts
This standard is issued under the fixed designation D2493; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope temperature within a limited range. It is also a convenient
means to estimate the temperature at which a desired viscosity
1.1 The viscosity-temperature chart covered by this stan-
is attained.
dard is a convenient means of plotting data for estimating the
3.2 Kinematic viscosity-temperature charts are described in
viscosity of asphalts at any temperature within a limited range.
Charts D341.
Conversely, the chart may be used to ascertain the temperature
at which a desired viscosity is attained.
4. Description
1.2 Thechartissuitablefororiginalasphaltcementsandfor
4.1 For Fig. 1, the chart coordinates are logarithm of the
asphalts recovered from laboratory aging tests or extracted
logarithm of the viscosity in centipoise as the ordinate, and
from pavements.
logarithm of the absolute temperature in Degrees Rankine
1.3 The chart is based on a viscosity–temperature relation-
(degreesF + 459.7)astheabscissa.However,theviscosityin
ship that can be plotted using any appropriate set of units. For
poiseandthetemperatureindegreesFahrenheitisshowninthe
convenience, charts based on both conventional and SI units
4
chart for convenience.
are provided.
−1 24
4.1.1 The range of the chart is 10 to 10 poise and 0 to
1.4 The range of the chart is sufficient for roofing asphalts.
400°F, as shown in Fig. 1. Its size is 16 by 17 in. (406 by 432
1.5 The range of the chart is sufficient for liquid asphalts
mm).
(bitumens) whose viscosity exceeds 0.1 poise (10 centipoise).
4.2 For Fig. 2, the chart coordinates are logarithm of the
2. Referenced Documents logarithm of the viscosity in mPa.s as the ordinate, and
logarithm of the absolute temperature in degrees Kelvin
2.1 ASTM Standards:
(degrees C + 273.2) as the abscissa. However, viscosity in
D341 Viscosity-Temperature Charts for Liquid Petroleum
2
Pascal-seconds, and the temperature in degrees Celsius is
Products
shown in the chart for convenience.
D2170 Test Method for Kinematic Viscosity of Asphalts
3
3
(Bitumens)
~1Pa.s 5 mPa.s 310 ! (1)
D2171 Test Method for Viscosity of Asphalts by Vacuum
−2 23
4.2.1 The range of the chart is 10 to 10 Pa.s and−20 to
3
Capillary Viscometer
200°C, as shown in Fig. 2.
D3205 TestMethodforViscosityofAsphaltwithConeand
4.3 The temperature range of the charts may be extended to
3
Plate Viscometer
lower temperatures by renumbering the temperature scale of a
D4957 Test Method for Apparent Viscosity of Asphalt
second chart, according to Table 1, discarding the portion
Emulsion Residues and Non-Newtonian Bitumens by
above 230°F (110°C), and placing the 230°F (110°C) axis
3
Vacuum Capillary Viscometer
along the 0°F (-17.8°C) axis of an original chart.
3. Significance and Use
5. Procedure
3.1 The viscosity-temperature chart is a convenient means
5.1 For temperatures above 60°C (140°F), plot two
of plotting the viscosity data for estimating the viscosity of
viscosity-temperature points and carefully draw a straight line
asphalts, recovered asphalts, and roofing asphalts at any
through the points. Plot at least three viscosity-temperature
points if the included temperature range is below 60°C
1
(140°F). Carefully draw a straight line or curve through the
This chart is under the jurisdiction of ASTM Committee D04 on Road and
Paving Materials and is the direct responsibility of Subcommittee D04.44 on
Rheological Tests.
Current edition approved Dec. 10, 2001. Published March 2002. Originally
4
published as D2493–66T. Last previous edition D2493–95a. The chart is available at a nominal charge. Contact ASTM International
2
Annual Book of ASTM Standards, Vol 05.01. Headquarters at 100 Barr Harbor Drive, West Conshohosken, PA 19428. Request
3
Annual Book of ASTM Standards, Vol 04.03. Adjunct No. ADJD2493.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D2493–01
FIG. 1 Facsimile of Viscosity-Temperature Chart on Which a Typical Experimental Curve Has Been Plotted
points.Apoint on this line, within the temperature range of the 5.3 If the viscosities are not known they should be deter-
pointsplotted,showstheviscosityatthecorrespondingdesired mined in accordance with Test Methods D2170, D2171,
temperature. D3205, and D4957. Viscosities determined at temperatures
other than the temperatures specified in each of these test
NOTE 1—These charts are appropria
...

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5.1 Values of density are used for converting volumes to units of mass and for correcting measured volumes at the measured temperature to a standard temperature using Practice D4311/D4311M.
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5.1 The kinematic viscosity characterizes flow behavior. The method is used to determine the consistency of liquid asphalt as one element in establishing the uniformity of shipments or sources of supply. The specifications are usually at temperatures of 60 and 135 °C.
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Note 1: This test method is suitable for use at other temperatures and at lower kinematic viscosities, but the precision is based on determinations on liquid asphalts and road oils at 60 °C [140 °F] and on asphalt binders at 135 °C [275 °F] only in the viscosity range from 30 to 6000 mm2/s [cSt].
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1.3 Warning—Mercury has been designated by the United States Environmental Protection Agency (EPA) and many state agencies as a hazardous material that can cause central nervous system, kidney, and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury-containing products. See the applicable product Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) for details and the EPA’s website—http://www.epa.gov/mercury/faq.htm—for additional information. Users should be aware that selling mercury, mercury-containing products, or both, in your state may be prohibited by state law.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
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Standard Test Method for Moisture or Volatile Distillates in Asphalt Mixtures

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3.1 This test method is used for determining either the amount of moisture or the amount of volatile petroleum distillates in asphalt mixtures.  
3.2 Applicable standards are those in which measurements or calibrations are made, samples are procured, or products are selected.3
SCOPE
1.1 This test method covers the determination, by direct measurement, of moisture or volatile fractions of the asphalt in asphalt mixtures.  
1.2 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.  
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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ASTM D3289-17(2022)(Test Method)
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SIGNIFICANCE AND USE
5.1 Values of density are used for converting volumes to units of mass, and for correcting measured volumes from the temperature of measurement to a standard temperature using Practice D4311/D4311M.
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1.1 This test method covers the determination of the density of semi-solid and solid asphalt materials by weighing in air and in water.
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1.2 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.  
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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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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