product manual
It is used to test the crack resistance index of leather and various thin leathers. After fixing the test piece, the leather is topped up from the inner surface at a speed of about 12mm per minute according to the contact surface of different sizes. The height value of the crack is the crack elongation value after the control.
Product specifications
* Test piece diameter: Φ48mm
* Diameter after fixing test piece: Φ25mm
* Steel ball diameter: Φ6.35mm & 21mm
*Scale circumference: 0.05-25mm
*Volume: Φ7cm height 15cm
*Weight: 1.3kg
