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Marshall Compactor, Automatic, 4in Mold compacts asphalt samples in a stationary 4in (102mm) mold with an automatic counter controlling the specified number of blows per minute. Operation stops at completion. The unit includes an ASTM-compliant oak pedestal with steel plate, a 10lb (4.5kg), flat-face hammer, and an MSA-100 Stationary Marshall Compaction Mold Set which includes 4in mold, base, and collar.
MS-1 models meet ASTM D6926 with 64 blows per minute.
MS-1B models operate at 55 blows per minute.
MS-1: 115V / 60Hz / 7Amps
MS-1F: 230V / 50Hz / 3.4Amps
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