M&L features a variety of products and accessories for prism testing including prism molds for use in different testing applications of cement, mortar and concrete.
Prism Molds for Volume Change Tests of Mortars – Designed to produce required 10″ effective gauge length, prism test bars. Molds feature removable partitions, base and end plates. Effective gauge length is measured from inside end of the studs. Molds produce cement prism specimens 11.25″ long. Including studs, outside to outside length of specimen is 11.625″. ASTM C806.