Watertight Zippers, Airtight Zippers,waterproof Zipper
Specifications
watertight zippers,airtight zippers,
waterproof zipper
specification:Technical specifications of 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:650N |
| Airproof performance test | Minimum:200Kpa |
| Slider action closing | Maximum:75N |
| Slip strength | Maximum:55N |
| Stand temperature | Maximum:-30-80°C |
| Reciprocating times | Minimum:1000times |
Note:
1) The chain tension strength testing method is to select a section of the zipper not less than 60mm and nip 25mm from the section. The distance from top to chain element should not exceed 10mm and the slide velocity should be 110mm/min.
2) Reciprocating tests require the zipper length within 1.0m and slide velocity within 10-15m/min.
3) Please specify your special requirements for usage when ordering the products.
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