... , FCT, CMT)1. Ring crush test, 2. Edge crush test, 3. Flat crush test ... Crush tester for paper and paperboard ( ... Rica, etc.1. Description:PN-CT300B type crush tester is a new type of compression testing instrument ... to the test of Ring Crush Test (RCT), Edge Crush Test (ECT). Flat Crush Test (FCT),Pin Adhesion ... color LCD display, which can be display the crush time and loading force real time , CT300B ...