Polyethylene terephthalate
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| Polyester Short-cut Fiber（used in papermaking） | ||||
| Items | 0.67dtex-4/6mm | 1.67dtex-6/12mm | 3.33dtex-6mm | 6.67dtex-12mm |
| Breaking tenacity, cN ≥ | 5 | 7 | 10 | 20 |
| Breaking elongation, % | 16.0±8.0 | 23.0±8.0 | 35.0±8.0 | 36.0±8.0 |
| Diameter, μm | 7.9～9.6 | 11.0～14.0 | 14.4～20.3 | 20.3～26.8 |
| Shrinkage in hot dry air130℃, % ≤ | 3 | |||
| Water content, % | 8～12 | |||
| Appearance | White | |||
| Number of crimps, No./25mm | None | |||
| Dispersibility, No. ≤ | 25 | |||
| Paper defect, No./cm2 ≤ | 0.5 | |||
used in paper making
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