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| Categories | Needle Punched Felt |
|---|---|
| Brand Name: | 17S |
| Model Number: | 17SNFELT |
| Place of Origin: | China |
| MOQ: | 1 SQM |
| Price: | 1.4sqm-25sqm |
| Supply Ability: | 20000sqm/week |
| Delivery Time: | per production schedule |
| Packaging Details: | Roll with Wrap, 50m/roll or 100m/roll or customized |
| Payment Terms: | T/T, L/C, Western Union |
| Material: | Acrylic, Aramid, PET, PPS, PTFE, P84, Fiberglass |
| Finising: | Singeing, Calendering, Impregnation, Oil Repellent, PTFE Membraneb |
| Layer: | Three |
| Workmanship: | Needle |
| Construction: | Face Fiber+Scrim+ Back Fiber |
| Weight: | 400-1200gsm |
| Thickness: | 1.7-2.7mm |
| Permeability: | 3-45CFM |
| Pack: | Roll with Wrap |
| Width: | 2.2M or Customized |
| HS Code: | 59119000 |
| Capacity: | 20000SQM/Week |
Needle Punched Filter Felt/Clothes, Various Options For Material And Weight
Construction
Needle Punched felt filter is the main thing for dust filter, which is one of non-woven product. It is made of three layers.Scrim is the middle layer of felt, both sides of scrim are fibers, and then by needle stitching processing make the felt. According to the working conditions felt should do some finishing treatment.
Optional fabric: PE (Polyester), PP (Polypropylene), PA (Nylon), Aramid(Nomex),
Acrylic, Fiberglass, PPS, PTFE, P84, etc
Finish Treatment: Singeing, Calendering, Heat Setting, Anti-static, Water&Oil
Repellent, PTFE Membrane, PTFE Impregnation and so on.
Weight: 80-4000g/m²
Thickness: 0.3-10mm
Main Features of the Various Filter Felt
| Polypropylene | Polyester | Homopolymer Acrylic | PPS | Aramid | P84 | PTFE | Fiberglass | ||
| Continuous Dry Heat Operation | 94ºC | 135ºC | 135ºC | 190ºC | 204ºC | 240ºC | 260ºC | 260ºC | |
| Continuous Moist Heat Operation | 94ºC | 94ºC | 125ºC | 190ºC | 177ºC | 195ºC | 260ºC | 260ºC | |
| Max Short Term Dry Heat | 107ºC | 150ºC | 150ºC | 232ºC | 240ºC | 260ºC | 290ºC 4 | 290ºC | |
| Specific Density | 0.9 | 1.38 | 1.17 | 1.38 | 1.38 | 1.41 | 2.3 | 2.54 | |
| Moisture Regain (20ºC and 65% r.humidity) | 0.10% | 0.40% | 1% | 0.60% | 4.50% | 3% | 0% | 0% | |
| Supports Combustion | yes | yes | yes | no | no | no | no | no | |
| Resistance | Biological (mildew, bacteria) | excellent | not effect | very good | not effect | not effect | not effect | not effect | not effect |
| Alkalis | excellent | fair | fair | excellent | good | fair | excellent | fair | |
| Mineral Acids | excellent | fair | very good | excellent | fair | very good 3 | excellent | very good | |
| Organic Acids | excellent | fair | excellent | excellent | fair | very good 3 | excellent | very good | |
| Oxidising Agents | good 1 | good | good | fair 2 | poor | very good | excellent | excellent | |
| Organic Solvents | excellent | good | very good | excellent | very good | excellent | excellent | very good | |
Applications of the Filter Felt
| Plant | Felt | Application | |||||
| Aluminium Plant | PE | electrolysis fume | |||||
| PPS | aluminum hydroxide calcination | ||||||
| Cement Plant | PE | cement mill, crushing macine, leather belt etc | |||||
| PE with antistatic | coal mill | ||||||
| P84 | kiln back end | ||||||
| Meta aramid | kiln head | ||||||
| Power Sation | PPS | boiler tail gas | |||||
| Steel Plant | PE | casting house, ore bunker, sintering machine end, finished product transportation | |||||
| Acrylic | slag differential | ||||||
| Meta aramid | rotary furnace | ||||||
| PPS/Acrylic | sintering machine head | ||||||
| Chemical Plant | PTFE , Meta aramid | high temperature and corrosive confition | |||||
| Nonferrous Metal Smelt Plant | P84 | aluminum metlting, copper furnace, gold smelt etc | |||||
| Carbon Black Plant | PE, PE with PTFE lamination | grinder machine | |||||
| Glass Plant | PTFE, PTFE composited P84 bag | ||||||
Product facility
We have high - quality professional products, as well as advanced
product lines and equipments. All of the products comply with
international quality standards and are greatly appreciated in a
variety of different markets throughout the world. Along the
increasing market demands, we continuously satisfy customers by
updating products to improve prouduction systems, improve quality.
Lab and Quality Control
We have lab and special equipment to control quality stable 
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