Paper Ring Crush RCT & Concora Medium Calculator
Corrugated board design: Evaluate linerboard Ring Crush Test ($RCT$), Concora fluting resistance ($CMT/CCT$), and synthesize composite board Edge Crush Test ($ECT$).
Linerboard Ring Crush (RCT)
Standard 0.5 in x 6.0 in strip
Opposing outer facing liner
Corrugating Fluting Medium (CCT / CMT)
Corrugated Crush Test edgewise load
Liner Basis Weights
Common 26, 33, 42, 69, 90 lb
Common 23, 26, 30, 33 lb
Composite Board ECT Output
Predicted Combined Board ECT:
--
-- kN/m
Nearest Commercial Class:
--
Boxmaker Certificate
Liner 1 RCT Index:
--
N·m / g
Combined Board Grammage:
--
Total fabricated sheet GSM
| Fluting Medium Contribution: | -- |
| Liner Contribution: | -- |
| Fluting Take-up Material Mass: | -- |
| Manufacturing Fluting Factor: | 0.92 (8% corrugating loss) |
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