广州TUV拉链测试，拉链往复性能检测拉头咬合
Zipper strength (拉链拉力测试) ASTM D2061
Breaking strength, crosswise of chain retention （平拉强力）
Breaking strength, crosswise of separating unit (开尾平拉强力)
Holding strength of top stops (上止强力)
Holding strength of bottom stops (下止强力)
Holding strength of retainer of separating unit (插件移位强力)
Holding strength of separating pin of separating unit (插头移位强力)
Individual scoop pull-off (单独链齿强力)
Scoop slippage, lengthwise (链齿纵向滑移)
Resistance to pull-off of slider pull (拉头结合力)
Holding strength of slider lock (拉头自锁强力)
Zipper strength (拉链拉力测试) BS 3084
Puller attachment test (拉头结合力)
Closed-end test (下止强力)
Top-stop test (上至强力)
Open-end fastener box test (插件移位强力)
Reciprocating test (往返性能)
Lateral strength test (平拉强力)
Lateral strength of open-end (开尾平拉强力)
Slider locking test (拉头自锁强力)