DUTA BUANA ABADI : Specialises in the design, manufacture and supply of quality Construction Materials and Environmental Testing Instrumentation. The satisfactory completion and ongoing performance of any civil engineering project is our goal.
Percentage Refusal Density ( PRD )  
Percentage Refusal Density (PRD) is defined as the ratio of the initial dried bulk density of the sample
to the final density ( refusal density )expressed as 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.
BS 598 - 104
Percentage Refusal Density (PRD) Description :
Part Name
STE-626 Vibrating Hammer         Suitable for compacting soil samples, Electric, 220 Volt. 1 Pc
STE-627 Mold and Base Plate     Small  : 4’’ (101.6 mm) id.  Large  : 6’’ (152.4 mm) id. 1 Pc
STE-628 Tamping Foot                Small  : 102 mm diameter.  Large  : 146 mm diameter        1 Pc
STE-629 Shank                      300 mm long for tamping fool                       1 Pc
Weight    : 35   kg
Price : Flexible / Negotiable  
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