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Polyester Dust Collector Bag
Polyester Dust Collector Bag
Manufactured from Sinopec Yizheng high-strength polyester fibers via high-frequency, dense, high-speed needle punching, complying with GB/T6719-2009 standard. These filter bags offer superior filtration precision and easy ash cleaning for a wide range of industrial applications.
Product Advantages
High porosity & density for superior filtration precision
Excellent air permeability and easy ash cleaning
Stable performance at ≤120°C (short-term ≤130°C)
Soft texture with high tensile strength
Material Properties
Glass transition temperature: ~80°C
Melting point: 255-265°C (starts softening at 230-240°C)
Heat-shrinkable fiber (strength loss at 170°C is recoverable)
Poor alkali resistance & hydrolysis stability
Production Capacity
Daily Output: 2000-3000 units of Φ130×6000mm bags (custom specifications available)
Key Applications
Widely used in various industries:
Steel Industry
Cement Plants
Power Plants
Mining
Product Specifications
Temperature Resistance
Continuous: ≤130°C; Instant: ≤150°C
Material
Polyester Fiber + Polyester Base Fabric
Gram Weight
500 ±5% g/m²
Thickness
1.9 ±0.1 mm
Air Permeability
14 ±20% m³/m²·min @127Pa
Filtration Velocity
<1.2 m/min
Technical Parameters
Core Specifications
| Product Name | Polyester Needle Punched Felt |
|---|---|
| Material | Polyester Fiber + Polyester Base Fabric |
| Gram Weight (g/m²) | 500 ±5% |
| Thickness (mm) | 1.9 ±0.1 |
| Air Permeability (m³/m²·min @127Pa) | 14 ±20% |
| Filtration Velocity (m/min) | <1.2 |
| Tensile Strength (Warp, N/5×20cm) | >1100 |
| Tensile Strength (Weft, N/5×20cm) | >1200 |
| Elongation at Break (Warp, %) | <35 |
| Elongation at Break (Weft, %) | <55 |
| Continuous Operating Temp. | ≤130°C |
| Instant High Temp. | ≤150°C |
Chemical Properties
| Acid Resistance | Good |
|---|---|
| Alkali Resistance | Poor |
| Oxidation Resistance | Fair |
| Hydrolysis Stability | Excellent |
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