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. For more detailed information about Marshall Testing, please visit our Asphalt Marshall Testing landing page.
