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Email:jack@gloryfootwearco.comQingdao Glory Footwear Co.,Ltd

Qingdao Glory Footwear Co.,Ltd

Resistance To Puncture

On the test machine is equipped with a plate, pressure plate is equipped with test-nail, test-nail for a TRUNCATE tip head, nails should be more than 60HRC hardness. Place the sole specimen in tests on the chassis of the machine, where they can test nail pierces through the outsole, test-nail pierce the soles with 10 ± 3 mm/min mm/min speed, until the penetration so far, record the maximum force required. Each sole crop tested 4 points (including at least 1 point in the heel), each point distance of not less than 30mm, and the distance from the bottom edge is greater than 10 mm. End of the skid block, in the block between Pierce. 4 points 2 points should be at a distance of planting 10-15 mm cord is located at the end of edge distance for testing. If the humidity can affect the results, before testing soles immersed in Canada should be 20 ° c ± 2 ° c in deionized water of 16 ± 1h.