Precision concrete testing using the Prism Mould 25 x 25 x 285mm. This high-quality steel mould, designed to ASTM C490 specifications, is the go-to choice for evaluating Portland cement expansion and determining the possible alkali reactivity of cement-aggregate combinations.

This long-lasting mould, made with a minimum surface hardness of HV200, offers consistent, exact results every time. The two-gang design allows you to manufacture two 25 x 25 x 285mm prismatic specimens at the same time, increasing efficiency and streamlining your testing procedures. With a total length of 285mm and a gauge length of 250mm, this mould is ideal for a variety of concrete testing applications.

The Prism Mould 25 x 25 285mm is a flexible tool that produces consistently high-quality results. Combine it with the optional length comparator and reference rod accessories to create a comprehensive concrete testing system that fulfills the stringent standards of ASTM C490.