Test Method
The sample is cast in shouldered rings and heated at a controlled rate under
the weight of a steel ball. The softening point is the temperature at which
the bitumen disks soften and sag downward a specified distance.
Softening Point Apparatus
. Conforms to ASTM D36 and related specifications
Consists of 800mL beaker, 2 standard balls, shouldered rings, ball centring
guides, ring holder, bottom plate and beaker cover with support rods. Order
thermometer and heater separately.
Specifications
Conforms to the specifications of: ASTM D36, E28; AASHTO T53;IP 58, 198; NF T 66-008