Product description

drysuit zipper, 8TZ CR airtight diving suit zipper replacement

Technical specifications:

Size:NO.8 (8TZN TPU airtight zip & waterproof zippers)
Teeth material: cupronickel
Tape material: TPU or Chloroprene rubber (CR) Neoprene
Zipper Length: from 20CM to 5000CM
Zipper Width: 70 mm
Chain width: 7 mm

Cross tension Minimum:400N/in
Slider action docking Minimum:175N
Slider block break strength Minimum:450N
Airproof performance test Minimum:200Kpa
Slider action closing Maximum:75N
Slip strength Maximum:55N
Reciprocating times Minimum:300times

8TZ  CR 100%  airproof zipper, close end, gas-tight zipper

Best choice for replace drysuit zipper and diving suit zipper.