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JQJ Waterproof & Airtight Zipper
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| Waterproof & Airtight Zipper |
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Product Features |
| Special features: |
100% waterproof&airitght zipper |
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| Description: |
Size:NO.8 Teeth material: cupronickel Tape material: neoprene
Item Unit Date Width of zipper MM 7.0 Total width of zipper MM 70.0 Pulling intension of zipper N/IN minimum250 Strength of the top stop N minimum350 Strength of the bottom stop N minimum350 Airtight KPA minimum100 Dive depth M minimum10 Airtight after 200 times reciprocation KPA minimum90 Dive depth after 200 times reciprprocation M minimum9 Chain smooth N max55 Smooth of top and bottom stop N max75 Work temperature -30?-60? Chemistry resist Work safely after 24 hours deep in 93# gas |
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