STANDARDS: EN 12350-12


The J-Ring Test is used for determining the passing ability, the flow spread and the t flow time of self-compacting concrete 500J as the concrete flows through the J-Ring Apparatus.

J-Ring Narrow Gap with Ø 18 mm x 16 smooth bars is manufactured from stainless steel.

Base Plate is 900x900x3 mm square, made of stainless steel with engraved circles of Ø 200 mm and Ø 500 mm conforming to EN 12350-8.

Slump Cone is made from sheet steel protected against corrosion, with; top Ø 100 mm, base Ø 200 mm and with a height of 300 mm.

Steel weighted collar is used to stabilize the slump cone on J-Ring or slump flow tests.

J-Ring Test Set is supplied with J-Ring with J-Ring Narrow Gap, Slump Cone and Base Plate. Steel weighted collar should be ordered separately.