Its impact strength is 20 times that of polyvinyl chloride, nylon 10, 66 times, 8 times of ptfe.
其冲击强度是聚氯乙烯的20倍，尼龙66的10倍，聚四氟乙烯的8倍。
2
It declines with the increase of times of direct assembling bolt knocked-down. But it can still reach that of nylon inbuilt nut after knocked-down 8 to 9 times.