PPS needle felts
| Material | PPS fiber/PPS scrim | |
| Weight(g/m2) | 550 | |
| Air permeability(m³/㎡/min) | 15 | |
| Thickness(mm) | 1.9 | |
| Tensile Strength(N/5cm) | warp | >900 |
| Tensile Strength(N/5cm) | weft | >1200 |
| Elongation at break(%) | warp | ≤25% |
| Elongation at break(%) | weft | ≤45% |
| Dry shrinkage at 210℃ within 90 min. | warp | <1.0% |
| Dry shrinkage at 210℃ within 90 min. | weft | <1.0% |
| Working Temperature | 160℃ | |
| Peak Temperature | 190℃ | |
| Finishing Treatment | Heat setting/singed/Glazed/oil and water repellent at 5 grade | |
| Note | The parameters above come from ideal lab-condition, the performance will change a little bit in-linewith actual application. |
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