Polypropylene Needle Felt
Capable of manufacturing standard PP product 15,000 squares per day
Diameter & Length:Accept customization
PP filter has high filtration efficiency, low pressure loss , stable filtration efficiency, long life, low cost filter , safety, adaptability.
Finish-treatment: Calendering, Heat setting, Singeing
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- Description
Description
Features:
1) Low temperature resistance ( 88-120 °C)
2) Excellent resistant to hydrolysis, acids and alkalies
3) Smooth surface, more defined pore size and good air permeability
4) Lower fiber release, Lower density,High mechanical characteristics
Physical and Chemical Characteristics Of Polypropylene Needle Felt:
| Weight（gs m） | 500 | |
| Thickness(mm) | 2 | |
| Width(m) | ≤2.2 | |
| Finish treatment | Singeing, Calendering, Heat setting | |
| Air permeability(L/m2.s) | 150-200 | |
| Tensile strength(N/5 cm) | warp | ≥1700 |
| weft | ≥2200 | |
| Tensile elongation(%) | warp | ≤20 |
| weft | ≤30 | |
| Heat shrinkage(%) | warp | ≤1.5 |
| weft | ≤1.0 | |
| Temperature(°C/°F) | Continue | 90 /194 |
| Instant | 120 /248 | |
| Anti-acid | Excellent | |
| Anti-alkali | Excellent | |
| Anti-abrasion | Good | |
| hydrolysis stability | Excellent | |
