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HM-256 1x1x10in (25x25x254mm) Single Prism Mold forms Portland cement paste, mortar or concrete samples for length change testing. It also is used in evaluating hydraulic hydrated lime for structural purposes. The mold is constructed of corrosion-resistant steel, and comes with a base plate, removable partitions and end plates to provide required length of 10in (254mm) between ends of HM-268 Gage Studs cast in ends of bars. Its outside specimen length is 11.25in (286mm) with specimen cross sections of 1x1in (25x25mm).
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