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Significance and Use
3.1 This test method is useful in confirming that a material has been added to the asphalt to provide a significant elastomeric characteristic. It does not necessarily identify the type or amount of material added.
1.1 This test method assesses the elastic recovery of an asphalt material measured by the recoverable strain determined after severing an elongated briquet specimen of the material of the form described in 4.1. The specimens are pulled to a specified distance at a specified speed and at a specified temperature. Unless otherwise specified, the test shall be made at a temperature of 25 ± 0.5°C [77 ± 0.9°F] and with a speed of 5 cm/min ± 5 %.
1.2 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 non-conformance with the standard.
1.3 Warning—Mercury has been designated by the United States Environmental Protection Agency 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 Material Safety Data Sheet (MSDS) for details and EPA’s website (http://www.epa.gov/mercury/index.htm) for additional information. Users should be aware that selling mercury and/or mercury containing products into your state may be prohibited by state law.
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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
D5 Test Method for Penetration of Bituminous Materials
D113 Test Method for Ductility of Bituminous Materials
D1754 Test Method for Effects of Heat and Air on Asphaltic Materials (Thin-Film Oven Test)
D2872 Test Method for Effect of Heat and Air on a Moving Film of Asphalt (Rolling Thin-Film Oven Test)
D6934 Test Method for Residue by Evaporation of Emulsified Asphalt
D6997 Test Method for Distillation of Emulsified Asphalt
D7403 Test Method for Determination of Residue of Emulsified Asphalt by Low Temperature Vacuum Distillation
D7497 Practice for Recovering Residue from Emulsified Asphalt Using Low Temperature Evaporative Technique
E1 Specification for ASTM Liquid-in-Glass Thermometers
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E77 Test Method for Inspection and Verification of Thermometers
E220 Test Method for Calibration of Thermocouples By Comparison Techniques
E644 Test Methods for Testing Industrial Resistance Thermometers
E1137/E1137M Specification for Industrial Platinum Resistance Thermometers
E2251 Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids
ICS Number Code 75.140 (Waxes, bituminous materials and other petroleum products)
UNSPSC Code 30121500(Bituminous derivatives)