Percentage Refusal Density ( PRD )

BT50-120 PERCENTAGE REFUSAL DENSITY ( PRD) BS 598: 10 Percentage Refusal Density ( PRD) is to determine the density ratio for a bitominous mixture sample to the final density ( refusal density) expressed as a percentage. BT50-122 PRD Mould and Baseplate One side vertically split. With clamp attachment to the base plate. Accessories: BT50-124 Vibrating Hammer For compacting asphalt sample with double insulated motor, trigger handle ( This Vibrating Hammer also could be used for the compaction of proctor and CBR specimens) . BT50-126 Small Tamping Foot, 102 mm dia. BT50-128 Large Tamping Foot, 146 mm dia. BT50-130 Shank, 300 mm legth, for tamping foot BT50-132 Supporting Frame for Vibrating Hammer