| Fineness | 500den |
| Breaking strength | ≥17N |
| Hot shrinkage | ≤3%@240℃*30min |
| Continuous Lengths | 40000m |
| Heat resistance | -190~260℃ |
PTFE filament fiber produced by our company is made of 100% polytetrafluoroethylene resin as raw material and processed by membrane splitting method ,Compared with the filament fiber made by drafting, it has greater breaking strength and fineness uniformity. At present, the company's product specification 500den is most widely used in the market, and can also produce filament products with 200~500den specifications according to customer demand.
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