Marshall Compaction Mold, 4″ (Stationary Base)

4″ compaction mold assembly for preparing test specimens with H-1336 mechanical compactors and H-1340 and H-1345 hand compactors. Mold is machined from seamless tubing and plated. Mold is comprised of a base plate, mold cylinder and extension collar. Base plate and collar are interchangeable with either end of the forming mold. Forming mold is 4″ (102mm) ID by 3″ (76mm) high.

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