HY7853 Leather Cracking Testing Machine is used to test the anti-cracking index of thin leather and upper leather. This instrument complies with the following international and industry standards: ISO 17695, DIN 53325, GB/T 3903.40, and QB/T 2712. Technical Specification Model: HY7853 Leather Cracking Testing Machine Load capacity: 100kg Sample fixed diameter: ∮45 ~ 50mm Ball diameter: 20 ± 0.2mm Counter: six-figure strength display Crack height: 0.05 ~ 25 mm Test speed: 12 ± 2 mm/min Dimension: 440 * 330 * 450 mm Weight: 50Kg Power supply: 220V, 50Hz