Only moulds' nominal dimensions meet the requirements of the Standards: EN 12390-1, BS 1881:108, ASTM C192, ASTM C39, AASHTO T23, AASHTO T126, NF P18-400.
This cube mould, polystyrene made, is utilized for only one test, because it must be broken when the specimen is demoulded.
It gives different advantages:
Pack of 45 pieces.