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J - Ring Test Apparatus is used to determine the passing ability of self-sompacting concrete to flow through obstructions, tight openings and spaces between reinforcing bars without segregation or blocking.
J - Ring Test Apparatus is used to determine the passing ability of self-sompacting concrete to flow through obstructions, tight openings and spaces between reinforcing bars without segregation or blocking. The time required (t500) for concrete to flow to a diameter of 500 mm is also measured.
Technical Specifications: