Crush tester for paper and paperboard (RCT, ECT, PAT, FCT, CMT ... Edge crush test, 3. Flat crush test Crush tester for paper and paperboard (RCT, ECT, PAT, FCT, CMT) ... tester is a new type of compression testing instrument developed by our company according to the specification ... engineering design criteria and micro-process. The instrument is upper pressure plate fixed type, which has high precision. ...