The temperature at which bitumen becomes soft enough to flow as determined using test methods defined in ASTM D36 (ring-and-ball) or D3461 (Mettler cup-and-ball).
« Back to GlossaryThe temperature at which bitumen becomes soft enough to flow as determined using test methods defined in ASTM D36 (ring-and-ball) or D3461 (Mettler cup-and-ball).
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