GB/T 4507-2014
ActiveStandard test method for softening point of bitumen―Ring-and-ball apparatus
沥青软化点测定法 环球法
Application Summary AI generated
This standard specifies the ring-and-ball method for determining the softening point of bitumen, which is the temperature at which a bitumen sample softens under a defined load. It is applied in the petroleum and road construction industries for quality control of asphalt binders, ensuring they meet performance requirements for pavement durability and temperature susceptibility. The test is used by refineries, laboratories, and construction material testing facilities to classify bitumen grades and verify product consistency.
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