This moulds are made of steel, protected against corrosion. They are specially made for use with the automatic compactor, Automatic Marshall compactors.
Marshall compaction moulds consist of collar body and base plate, these three parts of the compaction moulds can be purchased individually.
101.6 mm (4")
87.3 mm (3.44")
ASTM D6926, ASTM D1559, EN 12697-10 EN 12697-30