Efflux index apparatus

EN 933-6 / NF P18-564

Used to measure the efflux index of fine aggregates (shape and angularity), having dimensions up to 4 mm.

The efflux index of an aggregate is the required time in seconds of a known volume of aggregates to flow from a known opening.

The unit is basically formed by a container, two polycarbonate funnels having 85 mm height, 60° conical part, which end has dia. 12 or 16 mm., base support, valve, decanter.