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| Categories | Needle Punched Felt |
|---|---|
| Brand Name: | 17s |
| Model Number: | P84N450 |
| Certification: | ISO |
| Place of Origin: | China |
| Price: | negotiable |
| Supply Ability: | negotiable |
| Delivery Time: | TBD |
| Packaging Details: | Roll |
| Item: | 17SP84N450 |
| Supply Type: | Make to Order |
| Air Permeability: | 19 L/m2/s |
| Technics: | Nonwoven |
| Width: | Customized |
| Finishing: | Heat-setting,Singeing |
| Weight: | 450 g/m² |
| Thickness: | 2.1 mm |
P84 Needled Felt P84 Punched Filter Cloths 450g P84 Filter Bag Fabric High Temperature Filter Felt
P84 polyimide needlefelts are excellent high temperature filter media in terms of performance, generally surpassing the other standard media with the exception of PTFE.
Production Description of Needling felt P84N450
| Item | 17SP84N450 | |
| Name | P84 needling felt 450g | |
| Construction | Punch | |
| Composition | P84 fiber | |
| Scrim | P84 | |
| Weight (g/m2) | 450 | |
| Thickness (mm) | 2.1 | |
| Air permeability (L/m2/s) | 19 | |
| Tensile strength (N/5×20cm) | Warp | ≥650 |
| Weft | ≥1150 | |
| Tensile elongation (%) | Warp | <35 |
| Weft | <55 | |
| Broken strength (Mpa/min) | 2.55 | |
| Working temperature (℃) | ≤ 260 | |
| Short time working temperature (℃) | 280 | |
| Anti-acid | Excellent | |
| Anti-alkali | Fair | |
| Anti-abrasion | Excellent | |
| The stability of water solution | Medial | |
| Finishing treatment | High temperature hot pressing,Singeing | |
Chemical Resistance
| Hydrolysis | Biological (mildew, bacteria) | Alkalis | Mineral Acids | Orgnic Acids | Oxidising Agents | Orgnic Solvents |
| fair | no effect | fair | very good | very good | very good | excellent |
Features
• Excellent steady under high temperature and resistance to acid
• P84 can operate continuously, under practical and low acid
working conditions, at temperatures up to 500°F(260 °C).
• High filtration efficiency, high tensile strength.
• The complex cross sectional shapes create 30-90% more collection
surface area when compared to round or oval shaped fibers.
• Low back washing pressure, maximun flexibility
• The unique tri-lobal fiber structure of P84 provides customers
with high efficiency filtration, low pressure drop, and reduced
cleaning energy.
• Excellent dust cake release
• P84 has irregular, tri-lobal fibers that provide better
collection efficiencies and enhanced dust cake release properties.
How to make dust filter needled felt
Needled felt, called punched filter cloths too, is a kind of nonwoven fabric, which is used for industry dust filtration. Needled punched felt is made of fiber and scrim, three layers construction with scrim inside. The first step is fiber feeding, and carding, needling, heat treatment, singeing, calender, impregnation, lamination (memberance) , inspection and pack, and then ship out.
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