astm d2170
  • ASTM D2170 Viscosity Of Asphalts By Vacuum Capillary Viscometer

    ASTM D2170 Viscosity Of Asphalts By Vacuum Capillary Viscometer

    the kinematic viscosity characterizes flow behavior. the method is used to determine the consistency of bitumen as one element in establishing the uniformity of shipments or sources of supply. the specifications are usually at temperature of 60 and 135℃.

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