Standard : ASTM D1883, ASTM D698, BS 1377:4 , ASTM D558, ASTM D1557, AASHTO T99, AASHTO T180, AASHTO T193, EN 13286-47, EN 13286-2This automatic machine eliminates laborious and, above all, inconsistent hand compactions.A selector switch enables the operator to choose type of compaction required (circular blow pattern for 4" or 100 mm specimen..

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