The 4" Marshall Compaction Mold Assembly (Rotating Mold) has three part assemblies that consist of mold, base plate, and collar. Base plate of mold is designed to link with rotating base feature of compactors causing the mold to rotate during compaction.
Forming mold is 4" (102mm) ID by 3" (76mm) high.
Meets Test Methods:
ASTM D 5581
ASTM D 6926