The PNSHAR PN-NZ135F MIT Folding Tester is suitable for testing the folding performance of paper, Cardboard and other sheet materials with a thickness of less than 1.25mm. The PN-NZ135F MIT Folding Tester folds at a speed of 175 +/- 10 times/min and has a specimen width of 15 +/- 0.1 mm.