Prism Mold, 2-Gang, 1 x 1 x 5 inches (2.5 x 2.5 x 12.5 cm)

Molds 2 prism specimens of 1 x 1 x 5 inch size for volume change, autoclave expansion, length change and potential alkali reactivity of mortars, Portland cement, oxychloride cement and concrete. Made from steel with removable partitions, base and end plates.