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Glass Fiber Needle Punched Felt
Glass Fiber Needle Punched Felt
Our Glass Fiber Needle Punched Felt is engineered for high-temperature filtration applications. With exceptional chemical resistance and dimensional stability, it provides reliable performance in harsh industrial environments. The unique needle-punched structure ensures uniform density and excellent dust release properties, making it ideal for demanding filtration challenges.
Product Advantages
High-temperature resistance up to 260°C (500°F)
Excellent chemical resistance to acids and alkalis
Low thermal shrinkage for dimensional stability
Needle-punched structure for uniform density and high strength
Good dust release properties for efficient cleaning
Available in various thicknesses and weights to suit different applications
Customizable surface treatments for enhanced performance
Material Properties
Base Material: 100% high-quality E-glass or S-glass fibers
Surface Treatment Options: PTFE membrane lamination, silicone coating, calendering
Filtration Efficiency: Up to 99.9% for particles >1μm
Production Capacity
Daily Output: 5,000-8,000 square meters, depending on specifications
Standard Width: 1.5m - 2.0m, Custom widths available upon request
Key Applications
Ideal for high-temperature industrial filtration applications:
Power Plants
Cement Production
Steel Mills
Waste Incineration
Product Specifications
Weight Range
500-1000 g/m²
Thickness
1.5mm - 3.0mm
Width
1.5m - 2.0m (customizable)
Surface Treatment
PTFE membrane, silicone coating, calendering
Tensile Strength
Longitudinal ≥1200N/5cm, Transverse ≥800N/5cm
Temperature Resistance
Continuous: 260°C (500°F), Peak: 280°C (536°F)
Technical Parameters
Core Specifications
| Product Name | Glass Fiber Needle Punched Felt |
|---|---|
| Model | GF-NPF Series |
| Weight Range | 500-1000 g/m² |
| Thickness | 1.5mm - 3.0mm |
| Width | 1.5m - 2.0m (customizable) |
| Base Material | E-glass or S-glass fibers |
| Surface Treatment | PTFE membrane, silicone coating, calendering |
| Air Permeability | 8-25 m³/m²/min (at 200Pa) |
Chemical Properties
| Acid Resistance | Good resistance to most acids except hydrofluoric acid |
|---|---|
| Alkali Resistance | Moderate resistance to weak alkalis |
| Oxidation Resistance | Excellent resistance to oxidation |
Thermal Characteristics
| Temperature Resistance | Continuous: 260°C (500°F), Peak: 280°C (536°F) |
|---|---|
| Thermal Shrinkage | ≤1% at 260°C for 30 minutes |
| Thermal Conductivity | 0.035-0.045 W/(m·K) |
Mechanical Properties
| Tensile Strength | Longitudinal ≥1200N/5cm, Transverse ≥800N/5cm |
|---|---|
| Elongation at Break | Longitudinal ≤3%, Transverse ≤5% |
| Bursting Strength | ≥1000 kPa |
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