YBS zipper performance test standard
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Lateral strength of fastener ≥
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380
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Operation force/N ≤
|
4
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Slider over top stop/N ≥
|
50
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Slider against bottom stop/N ≥
|
40
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Slider over single top stop/box side/N ≥
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50
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Lateral strength of open end/N ≥
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70
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Box pull off strength/2-way OE box pull off/N ≥
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70
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Slider puller pull off/N ≥
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60
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Binding force of pull sheet/N ≥
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90
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Puller twist/N.M ≥
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0.2
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Slider mouth opening force/N ≥
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43
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Slider locking/N ≥
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20
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opening/closing movement / times ≥
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600
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Member slippage/N ≥
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N/A
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coating adhesion
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1. There is no change in collision test; 2. There is no change in washability after one time, and the allowable corner wear is less than 2mm after three times
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color fastness
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Dry and wet friction, washability ≥ 4 grade
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Neutral salt spray test
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There is no corrosion on the surface for 24 hours, and slight discoloration is allowed
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