PPS needle felt filter bag for industry dust filter collector industrial filtration. This kind of needle felt is widely applicable to the working conditions with low-oxidation gas from coal-fired boiler,waste incineration,metal smelting,and chemical industries to filter gas .
Feature
Polyester fibre Typical characteristics
- Good resistance to acids and alkalis.
- High temperature
Specification
| Material
| Fiber | 100%PPS |
| Scrim | PPS Yarn | |
| Weight(g/m2) | 500 | |
| Thickness(mm) | 1.6 | |
| Air permeability (L/m2/s) | 30-60 | |
| Tensile strength(N/5×20cm) | Warp | ≥900 |
| Weft | ≥1200 | |
| Tensile Elongation(%) | Warp | ≤20 |
| Weft | ≤35 | |
| Working temperature(°C) | Continues | ≤170 |
| Instant | 210 | |
| Hydrolyzation resistant | Excellent | |
| Alkali resistant | Excellent | |
| Acid resistant | Execellent | |
| Oxidation resistance | Moderate | |
| Finish treatment | Singe calendering Heat setting PTFE membrane | |

