Percentage Refusal Density / PRD

Consist of :
“Percentage Refusal Density / PRD,
is defined as ratio of the initial dried density of the sample
to the final density (refusal density) expressed a percentage.”

“The sample bulk density is determined
by weighing in air and water.
It is then heated in a split mould and compacted
to refusal using a vibrating hammer.
The final density is obtained by weighing in air and water.”

Main Unit:
PRD Split Mould and Baseplate 1 set
Weight 10,7 kg.

Accessories:
Vibrating Hammer 1 set
Suitable for compacting asphalt samples.
For 220-240 V, 50-60 Hz, 1 ph.
Weight 12,5 kg.

Small Tamping Foot 102 mm diameter. 1 pc
Large Tamping Foot 146 mm Diameter 1 pc
300mm Shank, For Tamping foot 1 pc