Polyester Needle Filter Felt Specification
As a propular needle punched felts, Polyester Needle Filter Felt has good permeability, high efficiency for collecting dusts, long working life etc. It has normal temperature resistance, can reach 150℃ instantly. Fine acid and alkli resistance, but it has very good absion resistance.
TECHNICAL DATA
Weight | 500g/m2 ±10% g/m2 （350-650） | |
Fiber Content | ||
Felt Scrim | Polyester staple/filament fiber scrim | |
Continuous Operating Temperature | 130°C | |
Maximum Surge Temperature | 150°C | |
Acid Resistance | Fair | |
Alkali Resistance | Fair | |
Hydrolysis Stability | Fair | |
Breaking Strength |
| |
Machine Direction | 1300 N/5 cm | |
Cross-Machine Direction | 1400 N/5 cm | |
Thickness | 1.35-2.40 mm | |
Air permeability m³/㎡*min | 7.6-20 | |
Width | Maximum 2.2m | |
Finish Treatment | Singed, Calendering, Heat setting, PTFE Membrane | |