J-Ring
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 Ø18mm x 16 smooth bars is manufactured from stainless steel.
Base Plate is 900x900x3 mm square, made of stainless steel with engraved circles of ∅200 mm and ∅500 mm conforming to EN 12350-8.
Slump Cone is made from sheet steel protected against corrosion, with; top ∅100 mm, base ∅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.
EN 12350-12
