Filter Cloth
Needle Felt
Needle felt is a non-woven filter medium made from mechanically needled fibres. Materials include polyester, polypropylene, Aramid (Nomex), PPS, and PTFE to suit different temperatures and chemicals. It is widely used for both dust collection and liquid filtration.
| Material | Polyester (PE) |
|---|---|
| Composition (Fiber) | Polyester |
| Composition (Scrim) | Polyester |
| Temperature (Continuous) | 130 °C |
| Temperature (Peak) | 150 °C |
| Finish Treatment | Singeing, Calendering, Heat Setting |
| Item No. | Weight (g/m²) | Micron Rate (micron) | Thickness (mm) | Air Permeability (l/m²/s) |
|---|---|---|---|---|
| PE 350 | 350 | ≈50 | ≈1.2 | ≈400-500 |
| PE 400 | 400 | ≈25 | ≈1.4 | ≈300-400 |
| PE 450 | 450 | ≈20 | ≈1.6 | – |
| PE 500 | 500 | ≈5-10 | ≈1.9 | – |
| PE 550 | 550 | ≈1-5 | ≈2.0 | – |
| PE 600 | 600 | ≈1 | ≈2.0 | – |
| PE 650 | 650 | ≈0.5 | ≈2.1 | ≈120-160 |
* Technical reference values may vary by production lot and actual operating conditions.
| Material | Polypropylene (PP) |
|---|---|
| Composition | Polypropylene |
| Temperature (Continuous) | 90 °C |
| Temperature (Peak) | 110 °C |
| Finish Treatment | One side singed |
| Item No. | Weight (g/m²) | Micron Rate (micron) | Thickness (mm) | Air Permeability (cc/cm²/s) |
|---|---|---|---|---|
| PP 1 | 420±20 | ≈1 | ≈1.7 | ≈20 |
| PP 5 | 370±20 | ≈5 | ≈1.8 | ≈30 |
| PP 10 | 370±20 | ≈10 | ≈1.8 | ≈50 |
| PP 25 | 380±20 | ≈25 | ≈1.8 | ≈80 |
| PP 50 | 380±20 | ≈50 | ≈1.9 | ≈100 |
| PP 100 | 450±20 | ≈100 | ≈2.4 | ≈120 |
| PP 200 | 450±20 | ≈200 | ≈2.4 | ≈150 |
* Technical reference values may vary by production lot and actual operating conditions.
Aramid (Nomex/Metamax) has excellent heat resistance, flame resistance, high temperature dimensional stability, strong retention rates at different times, including in the dry heat temperature of 240℃
| Material | Aramid (Nomex) |
|---|---|
| Composition (Fiber) | Aramid |
| Composition (Scrim) | Aramid |
| Temperature (Continuous) | 200 °C |
| Temperature (Peak) | 240 °C |
| After Treatment | Water & oil repellent, Anti-static |
| Item No. | Weight (g/m²) |
|---|---|
| Nomex 400 | 400 |
| Nomex 450 | 450 |
| Nomex 500 | 500 |
| Nomex 550 | 550 |
* Technical reference values may vary by production lot and actual operating conditions.
PPS (Polyphenylene Sulfide) fiber are special for high-temperature. The PPS fiber is a high-performance fiber. It has excellent characteristics such as high-temperature resistance, hydrolysis resistance, acid and alkali resistance, abrasion resistance, flame retardancy, and good mechanical strength.
| Material | PPS (Polyphenylene Sulfide) |
|---|---|
| Composition | Polyphenylene Sulfide |
| Temperature (Continuous) | 190 °C |
| Temperature (Peak) | 200 °C |
| Melting Point | 285 °C |
PTFE (Polytetrafluoroethylene) is a special polymer material with excellent comprehensive properties, such as high-temperature resistance and corrosion resistance. PTFE can work under temperature as high as 250℃.
