Oil&water resistance polyester needle felts
Polyester needle filter felt is calendered and impregnated PTFE ( water repellent ). It is usually adapted in working conditions with a large amount of moisture. Oil&water resistance polyester needle felts is hard to clog and has longer working life, increase air flow so it can save a lot of maintenance costs.
TECHNICAL DATA
Weight | 500g/m2 ±10% g/m2 （350-650） | |
Fiber Content | Polyester | |
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 | |