PPS high temperature resistant needle-punched filter felt
PPS (Polyphenylene Sulfide) Fibers Features
1. Exceptional Stability for a Wide Range of Temperature and Frequency Variations
(working temperature 190°C, instantaneous operating temperature 230°C)
2. Be suitable for the oxygen content below 15%;
3. Chemical Resistance to Acids, Alkalis and Organic Solvents
4. Containing moisture in the flue gas; Hydrolysis Resistance
5. Very stable in finished felt form with stability standards at 2% shrink or stretch.
6. Favorable temperature resistance melting point 285°C, limited oxygen index 34~35;
Compositions | PPS stable fiber | |
Weight (g/m2) | 500 | |
Thickness (mm) | 1.8 | |
Air permeability(L/m2/s) | 200-300 | |
Tensile strength (N/5×20cm) | Warp | ≥1250 |
Weft | ≥1350 | |
Tensile Elongation (%) | Warp | ≤30 |
Weft | ≤30 | |
Broken strength(Mpa/min) | 2.6 | |
Continous operating temperature (°C) | ≤190 | |
Short time operating temperature(°C) | 230 | |
Anti-acid | Excellent | |
Anti-alkali | Excellent | |
Anti-abrasion | Excellent | |
The stability of water solution | Excellent | |
Finishing treatment | High temperature hot pressing,Singeing |
PPS Needle Felt