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Leather Lastometer Ball Burst Tester is used to test crack resistance Index of all kinds of vamp, shoe upper material and other leather surfaces.
Leather Lastometer Ball Burst Tester’ test principle: fixed specimen circumference then the steel ball as a speed of 12mm/min rises upward from the inner side of the leather, when a crack occurs on the sample surface, record the height of the rise and the max. Force then get the crack value.
AVENO Machine Recommend:
AF51 Leather Lastometer Ball Burst Tester
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