Robust frame fitted with an upper platen with spherical seat that moves vertically sustained by a spring. The apparatus can be placed and centered directly on the lower machine platen. Vertical clearance of the compression machine has to be adjusted using suitable distance pieces accordingly. The designed to test portions of 40x40x160 prisms broken in flexure, fitted with compression platens 75 mm dia., and a vertical daylight of 53 mm is used to test 50mm/2” cubes and other little samples as, for example, microcores. The compression platens 40 x 62.5 mm instead of 40 x 40 mm.

Weight approx.: 8 kg