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1.1 ,This test method covers the determination of the softening point of asphalt and pitch in the range from 50 ,°,C to 180 ,°,C by the cup-and-ball apparatus, and gives results comparable to those obtained by Test Method D36.
Note 1: ,If the softening point of asphalt by this Mettler cup-and-ball method fails to meet specified requirements, tests may be rerun using the Test Method D36 (ring-and-ball) softening point apparatus as a referee method.