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Water proof and grease proof needle felt can effectively prevent water and all kind of oil contamination.Compared with ordinary filter media,it has the performance of water proof,grease proof and resistance bonding,easy striping
| Material | PET | |
| Weight(g/㎡) | 500 | |
| Thickness(mm)±0.2 | 1.8 | |
| Air permeability(m³/㎡/min@200Pa) | 14 | |
| Tensile Strength(N/5cm) | warp | >1100 |
| Tensile Strength(N/5cm) | weft | >1300 |
| Elongation(%) | warp | ≤30% |
| Elongation(%) | weft | ≤45% |
| Working Temperature | 130℃ | |
| Peak Temperature | 150℃ | |
| Dry shrinkage at 130℃ within 90 min. | warp | <1.0% |
| Dry shrinkage at 130℃ within 90 min. | weft | <1.0% |
| Finishing Treatment | Singed, Calendering, Water&grease proof, PTFE membrane | |
| Note | The parameters above come from ideal lab-condition, the performance will change a little bit in-line with actual application. | |