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ASTM D7496-09

Historical Revision

Standard Test Method for Viscosity of Emulsified Asphalt by Saybolt Furol Viscometer

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1.1 This test method utilizes the Saybolt Furol viscometer to measure the consistency of emulsified asphalt. It is applicable to all the emulsified asphalts specified in Specifications D 977 and D 2397.

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 and health practices and determine the applicability of regulatory limitations prior to use.

Viscosity has significance in the use of emulsified asphalt because it is a property which affects their utility. When used in application types of construction, the material must be thin enough to be uniformly applied through the spray bar of distributor, yet thick enough so that it will not flow from the crown or grade of the road. For mixing grade emulsions, the viscosity may affect mixibility and resulting thickness of film on the aggregate. The viscosity of many emulsions is affected by shear. Therefore, strict adherence to test procedure is necessary to achieve precision.

SDO ASTM: ASTM International
Document Number D7496
Publication Date June 1, 2009
Language en - English
Page Count 3
Revision Level 09
Supercedes
Committee D04.42
Publish Date Document Id Type View
Dec. 1, 2018 D7496-18 Revision
Sept. 1, 2017 D7496-17 Revision
Dec. 1, 2011 D7496-11 Revision
June 1, 2009 D7496-09 Revision