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Size:NO.8
Teeth material: cupronickel
Tape material: Neoprene
Quality characteristic:
Item Unit Date
Width of zipper MM 7.0
Total width of zipper MM 70.0
Pulling intension of zipper N/IN ≥250
Strength of the top stop N ≥350
Strength of the bottom stop N ≥350
Airtight KPA ≥100
Dive depth M ≥10
Airtight after 200 times reciprocation KPA ≥90
Dive depth after 200 times reciprprocation M ≥9
Chain smooth N <55
Smooth of top and bottom stop N <75
Work temperature -30°C-60°C
Chemistry resist Work safely after 24 hours deep in 93# gas
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