100% Meta-Aramid Needle Felt for High-Temperature Filtration
KABORY supplies high-quality 100% meta-aramid needle felt engineered for high-temperature industrial dust filtration. With excellent thermal stability, mechanical strength, abrasion resistance and dimensional stability, our aramid filter felt is suitable for demanding applications in cement, asphalt, steel, metal processing, mineral processing and other high-temperature dust collection systems.
Available as filter media rolls or finished aramid filter bags, with customized weight, width, surface treatment and optional PTFE membrane.
Description
100% Meta-Aramid Needle Felt
High-Performance Filter Media for High-Temperature Industrial Dust Collection
The performance and service life of an industrial filter bag begin with the quality of the filter media.
KABORY supplies high-quality 100% meta-aramid needle felt specifically developed for demanding high-temperature dust collection applications.
Compared with conventional polyester needle felt, meta-aramid provides significantly higher thermal resistance while maintaining good mechanical strength, abrasion resistance and dimensional stability.
It is widely used in pulse-jet baghouse systems where operating temperatures are beyond the practical range of standard polyester filter media.
Our aramid needle felt can be supplied directly in rolls for filter bag manufacturers or further converted into customized finished filter bags.
Why Choose 100% Meta-Aramid Needle Felt?
Meta-aramid is a high-performance synthetic fiber designed to maintain its physical properties under elevated temperatures.
Our standard aramid needle felt is manufactured using 100% meta-aramid fiber, without blending lower-temperature fibers into the filtration layer.
Key Advantages
- 100% Meta-Aramid Fiber
- Excellent thermal stability
- Continuous operating temperature up to approximately 200°C
- Short-term peak temperature up to approximately 220°C
- Good mechanical and tensile strength
- Good abrasion resistance
- Excellent dimensional stability at elevated temperatures
- Suitable for pulse-jet baghouse filtration
- Good performance under heavy industrial dust loading
- Available with multiple surface treatments
- PTFE membrane option available
- Supplied as rolls or finished filter bags
Typical Technical Specifications
| Property | Typical Specification |
|---|---|
| Fiber Material | 100% Meta-Aramid |
| Filter Media Type | Needle-Punched Felt |
| Typical Weight | 450–600 g/m² |
| Common Specification | 500 / 550 g/m² |
| Continuous Temperature | Up to approximately 200°C |
| Peak Temperature | Up to approximately 220°C |
| Width | Customized |
| Surface Finish | Singeing / Calendering / Heat Setting |
| Optional Treatment | Water & Oil Repellent |
| Membrane Option | PTFE Membrane |
| Supply Form | Rolls / Finished Filter Bags |
| Customization | Available |
Exact specifications can be customized according to operating conditions and customer requirements.
Typical Industrial Applications
Our 100% meta-aramid needle felt is suitable for a wide range of high-temperature industrial dust collection applications where thermal stability, mechanical strength, abrasion resistance and reliable pulse-jet performance are required.
Typical applications include:
- Cement and clinker production
- Asphalt mixing plants
- Steel mills and foundries
- Metal smelting and processing
- Industrial furnaces and kilns
- Lime and gypsum production
- Mineral processing
- Carbon black production
- Chemical processing
- Powder and bulk material handling
- Drying and thermal processing systems
- High-temperature conveying and transfer points
- Industrial boiler and process dust collection
- Pulse-jet baghouse filtration systems
Meta-aramid needle felt is especially suitable for elevated-temperature applications where conventional polyester filter media may be approaching or exceeding its recommended operating temperature.
Final media selection should always consider the actual gas temperature, peak temperature, moisture content, chemical composition, dew-point conditions, dust abrasiveness and cleaning system.
Designed for Demanding Pulse-Jet Baghouse Systems
High-temperature filter media must withstand more than heat.
During continuous baghouse operation, the filter media is also subjected to:
- Repeated pulse-jet cleaning
- Cyclic mechanical stress
- Dust abrasion
- Differential pressure
- Temperature fluctuations
- Continuous flexing
- Long operating cycles
For this reason, filter media performance depends not only on fiber type but also on the quality of the needle-punching process, fiber distribution, dimensional stability and surface finishing.
KABORY focuses on maintaining consistent filter media structure and performance throughout the entire roll.
Standard Aramid Needle Felt
Our standard 100% meta-aramid needle felt provides a balanced combination of filtration efficiency, air permeability, mechanical strength and thermal stability.
Typical finishing processes include:
Singeing
Removes loose surface fibers and produces a cleaner filtration surface.
Calendering
Improves surface smoothness and helps control air permeability.
Heat Setting
Improves dimensional stability and helps reduce unwanted deformation during high-temperature operation.
The final finishing process can be adjusted according to the filtration application.
PTFE Membrane Aramid Needle Felt
For applications requiring improved surface filtration, KABORY can supply PTFE membrane laminated meta-aramid needle felt.
The microporous PTFE membrane helps capture fine particles on the surface of the filter media rather than allowing dust to penetrate deeply into the felt structure.
Potential benefits include:
- Improved fine-particle filtration
- Better dust cake release
- Reduced deep dust penetration
- More stable differential pressure
- Improved pulse-cleaning efficiency
- Lower dust penetration through the filter media
PTFE membrane options should be selected according to actual dust characteristics, filtration requirements and operating conditions.
Water- and Oil-Repellent Treatment
For applications where the process gas may contain limited moisture, oil mist or other contaminants, optional water- and oil-repellent treatment is available.
This treatment can help reduce surface wetting and contamination of the filter media.
However, surface treatment does not replace correct filter media selection when the process contains continuously high moisture, condensation or aggressive chemical gases.
Understanding the Operating Limits of Meta-Aramid
Meta-aramid offers excellent thermal stability, but temperature alone should never determine filter media selection.
Meta-aramid performs particularly well in relatively dry, high-temperature dust collection environments.
Long-term exposure to high humidity, condensation or aggressive acidic gases may accelerate fiber degradation.
Before selecting aramid needle felt, the following operating conditions should be evaluated:
- Normal operating temperature
- Maximum temperature
- Moisture content
- Acid dew point
- SO₂ / SO₃ concentration
- Other corrosive gases
- Oxygen content
- Dust type
- Dust abrasiveness
- Dust concentration
- Air-to-cloth ratio
- Cleaning pressure
For highly humid or chemically aggressive conditions, PPS, fiberglass, PTFE or another filtration material may provide better long-term performance.
Aramid vs. Other Filter Media
Different filtration materials are designed for different operating conditions.
| Filter Media | Main Advantage | Typical Application |
|---|---|---|
| Polyester | Economical general-purpose filtration | Lower-temperature dust collection |
| Meta-Aramid | High-temperature resistance and mechanical durability | Dry high-temperature industrial filtration |
| PPS | Good hydrolysis and chemical resistance under suitable conditions | Moist and chemically demanding filtration |
| Fiberglass | Higher temperature capability | High-temperature industrial filtration |
| PTFE | Excellent chemical and thermal resistance | Severe chemical and high-temperature environments |
The most suitable filter media should be selected based on the complete operating environment rather than temperature alone.
From Aramid Needle Felt to Finished Filter Bags
KABORY can supply both:
100% Meta-Aramid Needle Felt Rolls
and
Finished Meta-Aramid Filter Bags
This gives customers greater flexibility in sourcing.
Filter bag manufacturers can purchase filter media rolls for their own production, while end users and dust collector companies can order fully finished filter bags according to their existing specifications.
Finished filter bags can be customized with:
- Different bag diameters
- Different bag lengths
- Snap-band tops
- Customized cuffs
- Reinforced bottoms
- PTFE sewing thread
- Needle-hole sealing
- PTFE membrane
- Water- and oil-repellent treatment
- Customized labeling and packaging
Why Filter Bag Manufacturers Choose High-Quality Felt
For filter bag manufacturers, inconsistent filter media can directly affect downstream production.
Variations in:
- Felt thickness
- Weight
- Air permeability
- Width
- Dimensional stability
- Surface condition
can influence sewing quality, bag diameter consistency and finished filter bag performance.
KABORY therefore focuses not only on nominal material specifications but also on consistent roll-to-roll production quality.
Available as Rolls or Finished Filter Bags
For Filter Bag Manufacturers
We supply meta-aramid needle felt in rolls according to required:
- Weight
- Width
- Roll length
- Surface treatment
- PTFE membrane configuration
- Packaging requirements
For Industrial End Users
We can convert the filter media into finished aramid filter bags according to:
- Existing filter bag drawings
- Samples
- Tube-sheet dimensions
- Dust collector specifications
- Operating conditions
This allows customers to source either the filter media itself or the complete filtration component from KABORY.
Information Required for Material Selection
To recommend the appropriate aramid needle felt specification, please provide:
- Normal operating temperature
- Maximum operating temperature
- Moisture content
- Gas composition
- SO₂ / SO₃ concentration if available
- Dust type
- Dust concentration
- Dust abrasiveness
- Existing filter media
- Existing filter bag service life
- Dust collector type
- Pulse cleaning pressure
- Required felt weight
- Required roll width
- PTFE membrane requirement
Based on this information, KABORY can recommend the appropriate filter media specification and finishing process.
High-Quality Meta-Aramid Filter Media from KABORY
KABORY supplies 100% meta-aramid needle felt for professional industrial filtration, from standard high-temperature filter media to customized PTFE membrane constructions.
Whether you are a filter bag manufacturer, filtration distributor, dust collector company or industrial end user, we can provide aramid needle felt in rolls or convert it into finished filter bags according to your application.
100% Meta-Aramid Fiber.
Consistent Filter Media.
Reliable High-Temperature Filtration.