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DIN 53325 Leather Testing Equipment Leather Surface Crack Tester This device is used to test the upper, all kinds of thin leather and leather surface of the anti-cracking index.
Principle
The folder frame fixed the outer circumference of the specimen, and then hand to the way the speed of 12mm per minute, so that the ball from the inside of the leather from the top, when the leather surface cracks, the rise of the height value, that is cracked.
Main technical parameters
| After the specimen is fixed diameter | φ25mm |
| Ball diameter | φ21mm, φ6.25mm |
| Scale range | 0.05 ~ 25mm |
| Volume | φ7cm, H15cm |
| Weight (about) | 1.3kg |
Accessories
Transparent piece one pcs
Standard
DIN 53325