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

ASTM D36

Standard Test Method for Softening Point of Bitumen
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).
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.

IP 58-B

Softening Point of Bitumen

 

 

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