Industrial Needle Felt 2mm Thick Dust Filter Material for Air Purification

Product Description

Product Description

Needle Felt 

Product Features & Benefits:
High Efficiency & Low Resistance: Features a deep gradient filtration structure, ensuring ultra-high filtration efficiency (emission concentration can be below 10mg/Nm³) while maintaining lower operating resistance.
Excellent Chemical Stability: Offers broad media compatibility, resistant to corrosion from acids, alkalis, and complex chemical components.
Optimized Air-to-Cloth Ratio: Product design pursues a higher air-to-cloth ratio, helping reduce equipment size and lower system energy consumption.
Comprehensive Post-Treatment Processes: Various advanced post-treatment options are available based on operational needs, including Anti-static (Carbon Fiber/Blended Type), Water & Oil Repellency, and PTFE Membrane/Coating, significantly enhancing filter material performance and service life.
 
Flexible Customization Services:
We understand the importance of tailored solutions ("One Factory, One Strategy") and therefore offer comprehensive customization services:
Size Customization: Capable of producing various specifications of cylindrical bags, envelope bags, etc.
Structure Customization: Support for various connection types such as snap-band, flange collar, and rubber ring types, accepting special structural designs.

Main Products

Code	Felt	Weight (g/m2)	Thickness	Temp	Air  Permeability (1/m2.s@200Pa)	Tensile Strength	Tensile elongation	Surface Treatment
PET	100% Polyester	500	1.7	130-150℃	150-250	Warp(N):≥1100 Weft(N):≥1600	Warp(%):≤35 Weft(%):≤50	Singeing,calendering,oil and waterproof; PTFE impregnation,coating,laminating,ect
PET-A	Polyester+Antistatic Yarn	500	1.7	130-150℃	150-250	Warp(N):≥1100 Weft(N):≥1600	Warp(%):≤35 Weft(%):≤50	Singeing,calendering,oil and waterproof; PTFE impregnation,coating,laminating,ect
DT	100% Acrylic	500	2.0	120-140℃	150-300	Warp(N):≥700 Weft(N):≥800	Warp(%):≤20 Weft(%):≤40	Singeing,calendering,oil and waterproof; PTFE impregnation,coating,laminating,ect
PPS	100% PPS	500	1.6	170-210℃	150-250	Warp(N):≥900 Weft(N):≥1200	Warp(%):≤20 Weft(%):≤35	Singeing,calendering,oil and waterproof; PTFE impregnation,coating,laminating,ect
Aramid	100% Aramid	500	2.2	200-240℃	200-400	Warp(N):≥800 Weft(N):≥1100	Warp(%):≤35Weft(%):≤45	Singeing,calendering,oil and waterproof; PTFE impregnation,coating,laminating,ect
PTFE	PTFE	750	1.0	260-280℃	30-60	Warp(N):≥700 Weft(N):≥800	Warp(%):≤15Weft(%):≤15	Singeing,calendering,oil and waterproof; PTFE impregnation,coating,laminating,ect
GL	Glass Fiber	900	2.6	260-280℃	200-400	Warp(N):≥1800 Weft(N):≥2000	Warp(%):≤35Weft(%):≤35	Singeing,calendering,oil and waterproof; PTFE impregnation,coating,laminating,ect

Our core products are filter materials designed for high-temperature and highly corrosive flue gas dedusting applications, primarily including:
High-Performance Fiber Series: P84®, Polyphenylene Sulfide (PPS), Polytetrafluoroethylene (PTFE), and Nomex® series filter materials.
Fiberglass Composite Series: Specially treated fiberglass and composite filter materials.
Medium & Normal Temperature Series: Needle felts such as Polyester and Acrylic.

Our products are widely used in flue gas treatment systems across industries like coal-fired power plants, cement rotary kilns, steel smelting, chemical production, and waste incineration, enabling efficient and stable dust capture.

Company Profile

Corporate Advantages:

1.Strong Qualifications: Recognized as a National High-Tech Enterprise and a standing director unit of the China Nonwovens & Industrial Textiles Association, certified with ISO9001 and ISO14001 management systems.

2.Leading Scale: Founded in 2000, with a registered capital of RMB 188 million and a 200,000m² production base, equipped with full industrial chain manufacturing capabilities.

3.Advanced Production Capacity: Features 8 non-woven needle-punching lines, 5 post-processing lines, and 20 automated sewing production lines, supplemented by advanced Swedish ETON hanging sewing lines.

4.Technological Excellence: Dedicated to ultra-low emission standards, equipped with automatic gluing and folded bag production lines for continuous improvement in product performance and quality.

5.Global Service Network: Products distributed across 28 provinces in China and exported to South Korea, India, Taiwan (China), the U.S., and more, earning trust through premium quality and thoughtful service.

Workshop

Our production facilities include 8 non-woven needle-punching lines, 5 post-processing lines (for processes such as heat-setting, membrane-laminating, and calendering), and 20 automated sewing production lines. The company has also introduced 2 advanced Swedish ETON hanging sewing production lines. To meet the ultra-low emission standards set by the state and continuously improve product quality and performance, it has added automatic gluing and folded bag production lines, thereby continuously enhancing its brand influence and fulfilling its social responsibilities.

Certifications

In compliance with the ISO9001:2015 Quality Management System and ISO14001:2015 Environmental Management System, the company produces a wide range of dust removal filter materials and accessories. 

Exhibitions&Our Partners

The company's products are distributed across 28 provinces, municipalities, and autonomous regions in China, and are exported to countries and regions including South Korea, India, Taiwan (China), the United States, and others. With first-class quality and thoughtful service, it has earned widespread praise from customers.
Jiangsu Blue Sky Environmental Protection Group Shares Co., Ltd. is committed to working hand in hand with domestic and international clients based on the principle of mutual benefit to create a beautiful future of "clear water and blue sky."

Packaging & Shipping

FAQ

A. Products 

1. Q: What are your main products?

A: We specialize in manufacturing Dust Filter Bags (Filter Bags) and Filter Cages (also known as Skeleton) for industrial dust removal systems. We also produce related accessories.

2. Q: What materials are your filter bags made from?

A: We produce filter bags from various materials including PPS, P84, PTFE, Nomex, and Polyester, among others. The best material depends on your specific operating conditions (e.g., temperature, gas composition). Our engineers can help you select the optimal material.

3. Q: Can you produce custom-sized filter bags and cages?

A: Yes, absolutely. We specialize in customization. Please provide detailed specifications (dimensions, material type, etc.), and we will manufacture products that perfectly fit your equipment.

4. Q: How can I get a sample for testing?

A: We can provide sample filter bags and cages for evaluation. Please contact our sales team with your requirements. Samples may incur a fee, which can be deducted from future bulk orders.

B. Ordering & Payment 

5. Q: What is your minimum order quantity (MOQ)?

A: Our MOQ is flexible, especially for new customers. We encourage you to contact us to discuss your needs, and we will find a solution that works for you.

6. Q: How do I request a quote?

A: Please send your inquiry to our sales department via email or our website contact form. Include product specifications, quantities, and any technical requirements for an accurate and prompt quotation.

7. Q: What are your payment terms?

A: We accept T/T (Bank Transfer) and L/C (Letter of Credit). Common terms are 30% deposit with order, and 70% balance before shipment.

C. Shipping & Delivery 
8. Q: What is your average production lead time?
A: Lead time depends on the order quantity and product complexity. Typically, it ranges from 15 to 30 days after order confirmation and receipt of deposit. We will provide a precise date upon order confirmation.
9. Q: How do you handle shipping and logistics?
A: We have extensive experience in international shipping. We can arrange shipment for you via sea freight or air freight from any major port in China (e.g., Shanghai, Ningbo). We provide all necessary shipping documents.
10. Q: Do you provide door-to-door delivery?
A: We can handle door-to-door delivery as part of a comprehensive EXW, FOB, CIF, or DAP agreement. Please specify your preference when requesting a quote.

D. After-Sales Service 
11. Q: What is your warranty policy?
A: We offer a standard warranty on our products against manufacturing defects. The specific warranty period and terms will be detailed in our sales contract.
12. Q: What should I do if I receive defective products?
A: Customer satisfaction is our priority. Please notify us immediately with photos/videos of the issue. We will investigate promptly and arrange for replacement or compensation according to our warranty terms.
13. Q: Can you provide technical support for installation and troubleshooting?
A: Yes. Our technical team is available to provide remote guidance for installation and troubleshooting. For complex issues, on-site service can be arranged.