This machine is used to test the zigzag characteristics of the middle bottom fiberboard, such as leather shoes, leisure shoes and jogging shoes. The test method is to turn the specimen to the left and right continuously for 90 degrees under a specific load. Until the specimen is destroyed, the tortuosity index of the middle floor is taken as the reference for comparison and selection of the middle floor.

QB/T 1472、BS 5131 : 4.2、SATRA PM3. PM4. PM5. PM6. PM15. PM16

Lower fixture containing weights	2kg×6
fixture	6
Flexion speed	60cpm
Specimen size	80×10mm
Counter	6 digit LCD digital display
Power supply	1?, 220V, 50/60Hz, 3A
Volume (W×D×H)	About 110×30×40cm
Weight	About 50kg