Product description: This tester is used to test anti-cracking the index in the thin leather and upper leather. First fixed specimen’s periphery by this device, and then
make the ball rise up from the leather’s inside by speed about 12mm per minute, when the leather cracks, the value of rising height is the measured value of crack.

Technical date:
1,The specimen diameter: Φ48mm
2, Specimen diameter after fixed: Φ25mm
3, Scale range: (0.05 ~ 25) mm
4, Volume: Φ7cm, high 5cm (H)
5, Weight: about 1.3kg

Attachments:
1, One Chinese instrument operating manual
2, The instrument warranty card
3, International CNAS third party laboratory instrument calibration report