Applications: ????????????????Diving suits ????????????????Waters ports products ????????????????Tents, flexible covers ????????????????Protective clothing for leisure, safety and industrial applications (gas and chemical protection) ????????????????Flexible containers for electronic instruments, documents, machines and apparatus for storage and transport ????????????????Inflatable objects, jumping castles, advertising balloons etc. ????????????????Bags and backpacks for daily use and outdoor activities such as cycling, biking, sailing, hiking,climbing ...and various others Size:NO.8 (8TZN CR airtight zipper) Teeth material: cupronickel Tape material: Chloroprene rubber (CR) Neoprene zipper length: 100CM (according to customers' requirements) Close End Zipper specifications: Width of zipper: 7.0 MM Total width of zipper: 70.0 MM Pulling intension of zipper: =250 N/IN Strength of the top stop: =350 N Strength of the bottom stop: =350 N Airtight: =100 KPA Dive depth: =10 M Airtight after 200 times reciprocation: =90 KPA Dive depth after 200 times reciprprocation: =9M Chain smooth: <55 N Smooth of top and bottom stop: <75 N Work temperature: -30?-65? Chemistry resist Work safely after 24 hours deep in 93# gas