P84 needle punched felt by Austria LENZING company production of P84 fiber (i.e. poly amide fibers) by three dimensional needled,has good resistance to high temperature performance,heat resistance up to 280°C,and P84 fiber cross section is irregular leaflike,can greatly improve the filtering effect.Fiber itself and the hydrolysis resistance,oxidation resistance,the resistance temperature of good,good filtering effect,widely applicable in concrtet stirring,cement,waste incineration,coal- fired boilers and other complex conditions use.
Technical parameter
| Name | P84 needle filter bag |
| Raw material | P84/P84 fiber fabric/PTFE fiber fabric |
| Weight | ≥ 500g/㎡ |
| Air permeability | 150-250L/㎡ ·s@200Pa |
| Radial pull | >1400N/5x20cm |
| Weft Tensile Strength | >1200N/5x20cm |
| Radial elongation | <30% |
| Weft elongation | <30% |
| Use temperature | ≤ 260° C，Instant 300°C |
| Filtration velocity | 0.8-1.2m/min |
| Post processing method | PTFE impregnated,coated,coated |
