airtight zipper
Airtight zipper, also called waterproof zipper, which is usually used for dry diving suit, immersion suit, fire fighting suits, water walking zorbs, important instrument and container, tent, life raft, survival instrument, shipping instrument, hovercraft, water bed and so on.
Test report for #8 airtight zipper
|
Testing item |
Specifications |
|
Slider fastener breadth |
70mm |
|
Chain width |
7mm |
|
Chain tension strength |
Minimum:500N/in |
|
Slider action docking |
Minimum:175N |
|
Slider block break strength |
Minimum:550N |
|
Airproof performance test |
Minimum:200Kpa |
|
Slider action closing |
Maximum:75N |
|
Slip strength |
Maximum:55N |
|
Stand temperature |
Maximum:-20-70℃ |
|
Reciprocating times |
Minimum:500times |