Test items 测试项目 |
闭尾 2个端口接在一起的拉链 |
开尾 2个端口不接在一起的拉链 |
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拉链强度 | puller attachment text (拉头拉攀合力), limit 200N | 要测 | 要测 |
closed - end (闭尾拉链下止分离强力), limit 80N | 要测 | ||
top - stop test (上止强力), limit 90N | 要测 | 要测 | |
open - end fastenener box test (开尾拉链查件纵拉力), limit 90N | 要测 | ||
lateral strength test (平拉强力), limit 250N | 要测 | 要测 | |
lateral strength of open - end attachment test (开尾拉链平拉强力), limit 90N | 要测 | ||
slider locking test (拉头抱合强力), limit 25N | 要测 | 要测 | |
open - end fastener single stringer slider retention test (单边下止), limit 90N | 要测 | ||
拉链耐用度 |
reciprocating test (拉动次数) Cycles ( Minimum cycles without failure ) 最低拉动次数 ( 拉链未损坏), limit 5000cyc |
要测 | 要测 |