Standard Historical Last Updated: Aug 11, 2014 Track Document
ASTM D36/D36M-14

Standard Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)

Standard Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus) D0036_D0036M-14 ASTM|D0036_D0036M-14|en-US Standard Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus) Standard new BOS Vol. 04.04 Committee D08
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Significance and Use

4.1 Bitumens are viscoelastic materials without sharply defined melting points; they gradually become softer and less viscous as the temperature rises. For this reason, softening points must be determined by an arbitrary and closely defined method if results are to be reproducible.

4.2 The softening point is useful in the classification of bitumens, as one element in establishing the uniformity of shipments or sources of supply, and is indicative of the tendency of the material to flow at elevated temperatures encountered in service.

Scope

1.1 This test method covers the determination of the softening point of bitumen in the range from 30 to 157°C [86 to 315°F] using the ring-and-ball apparatus immersed in distilled water [30 to 80°C] or USP glycerin (above 80 to 157°C).

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 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.

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Details
Book of Standards Volume: 04.04
Developed by Subcommittee: D08.03
Pages: 5
DOI: 10.1520/D0036_D0036M-14
ICS Code: 91.100.50