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CASE PACK 1
-ASTM D-2172.AASHO T-58, T-164. For the determination of Bitumen percentage in Bitumenous mixtures. It has a removable precision machined aluminium rotor bowl mounted on a vertical shaft. A filter paper disc is pressed in between the rotor bowl and cover plate by tightening a knurled nut. The bowl assembly is enclosed in a housing mounted on a cast body. The manually operated unit can be used both in the field and laboratory. In the manually operated unit, the gears are enclosed in a cast body. The solvent may be introduced during tests through a cup on the housing cover.