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ASTM D2493-01e1

(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 D2493-01 - Standard Viscosity-Temperature Chart for Asphalts
Effective Date
10-Dec-2001
Replaced By
ASTM D2493/D2493M-09 - Standard Viscosity-Temperature Chart for Asphalts
Effective Date
01-Dec-2009

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ASTM D2493-01e1 - Standard Viscosity-Temperature Chart for AsphaltsASTM D2493-01e1 - Standard Viscosity-Temperature Chart for Asphalts
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ASTM D2493-01e1 - 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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.
´1
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 (´) indicates an editorial change since the last revision or reapproval.
1
´ NOTE—Adjunct references were corrected editorially in April 2006.
1. Scope 2.2 ASTM Adjuncts:
Viscosity-TemperatureChartforAsphalts(17by18in.pad
1.1 The viscosity-temperature chart covered by this stan-
4
of 25 sheets)
dard is a convenient means of plotting data for estimating the
viscosity of asphalts at any temperature within a limited range.
3. Significance and Use
Conversely, the chart may be used to ascertain the temperature
3.1 The viscosity-temperature chart is a convenient means
at which a desired viscosity is attained.
of plotting the viscosity data for estimating the viscosity of
1.2 Thechartissuitablefororiginalasphaltcementsandfor
asphalts, recovered asphalts, and roofing asphalts at any
asphalts recovered from laboratory aging tests or extracted
temperature within a limited range. It is also a convenient
from pavements.
means to estimate the temperature at which a desired viscosity
1.3 The chart is based on a viscosity–temperature relation-
is attained.
ship that can be plotted using any appropriate set of units. For
3.2 Kinematic viscosity-temperature charts are described in
convenience, charts based on both conventional and SI units
Charts D341.
are provided.
1.4 The range of the chart is sufficient for roofing asphalts.
4. Description
1.5 The range of the chart is sufficient for liquid asphalts
4.1 For Fig. 1, the chart coordinates are logarithm of the
(bitumens) whose viscosity exceeds 0.1 poise (10 centipoise).
logarithm of the viscosity in centipoise as the ordinate, and
logarithm of the absolute temperature in Degrees Rankine
2. Referenced Documents
2
(degreesF + 459.7)astheabscissa.However,theviscosityin
2.1 ASTM Standards:
poiseandthetemperatureindegreesFahrenheitisshowninthe
D341 Practice for Viscosity-Temperature Charts for Liquid
4
chart for convenience.
Petroleum Products
−1 24
4.1.1 The range of the chart is 10 to 10 poise and 0 to
D2170 Test Method for Kinematic Viscosity of Asphalts
400°F, as shown in Fig. 1. Its size is 16 by 17 in. (406 by 432
(Bitumens)
mm).
D2171 Test Method for Viscosity of Asphalts by Vacuum
4.2 For Fig. 2, the chart coordinates are logarithm of the
Capillary Viscometer
logarithm of the viscosity in mPa.s as the ordinate, and
D3205 Test Method forViscosity ofAsphalt with Cone and
3 logarithm of the absolute temperature in degrees Kelvin
Plate Viscometer
(degrees C + 273.2) as the abscissa. However, viscosity in
D4957 Test Method for Apparent Viscosity of Asphalt
Pascal-seconds, and the temperature in degrees Celsius is
Emulsion Residues and Non-Newtonian Bitumens by
shown in the chart for convenience.
Vacuum Capillary Viscometer
3
~1Pa.s 5 mPa.s 310 ! (1)
−2 23
1
4.2.1 The range of the chart is 10 to 10 Pa.s and−20 to
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
200°C, as shown in Fig. 2.
Rheological Tests.
4.3 The temperature range of the charts may be extended to
Current edition approved Dec. 10, 2001. Published March 2002. Originally
lower temperatures by renumbering the temperature scale of a
approved in 1966. Last previous edition approved in 1995 as D2493–95a.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or second chart, according to Table 1, discarding the portion
contact ASTM 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 4
Withdrawn. The last approved version of this historical standard is referenced Available from ASTM International Headquarters. Order Adjunct No.
on www.astm.org. ADJD2493.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
´1
D2493–01
FIG. 1 Facsimile of Viscosity-Temperature Chart on Which a Typical Experimental Curve Has Been Plotted
above 230°F (110°C), and placing the 230°F (110°C) axis 5.2 Some asphalts have viscosity-temperature relationships
along the 0°F (-17.8°C) axis of an original chart. too complex to be represented by only three points, as shown
in Fig. 1. In this case determine the viscosity at sufficient
5. Procedure
temperatures to produce a curve adequate for the purpose
5.1 For temperatures above 60°C (140°F), plot two intended.
viscosity-temperature points and c
...

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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.  
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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
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1.1 This test method covers the determination, by direct measurement, of moisture or volatile fractions of the asphalt in asphalt mixtures.  
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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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