HT-8683 Ross flexing tester
STM D1052, BS5131: 2.1
Máy kiểm tra độ uốn Hung Ta Hungta HT-8683 Ross
Repeated bending of rubber products will develop strain and cracks at right angle and gradually become too weak
to be used. The testing method employed in this tester, is to match the conditions of reciprocal bending of sole.