Products Description
Industrial dust bags are made from high-performance filtration elements (e.g. polyester, Nomex, P84, PTFE-membrane laminates or specialized blends) that are designed to withstand specific temperature ranges, chemical exposures and abrasive environments.
Ideal Industries:
- Cement and asphalt production
- Metal smelters and foundries
- Pharmaceutical manufacturing
- Power generation (coal, biomass)
- Woodworking and food processing
key features
Ultra-High Filtration Efficiency
99.99% efficiency for particles ≥1 micron.
Reduced emissions to <5 mg/Nm³, exceeding global standards.
01
Advanced Material Options
PTFE Membrane: Hydrophobic, chemical-resistant, ideal for wet/dry conditions.
Polyester: High tensile strength, cost-effective for general industrial use.
02
Extended Service Life
Anti-abrasion stitching + Calendered surface treatment increase lifespan by 30% vs. standard bags.
03
Customizable Design
Available in pleated, cylindrical, or shaker-compatible shapes.
04
Technical parameters
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| Material | Polyester(PET) | Nomex | P84 | PTFE-membrane |
| Max Operating Temp | 130℃ (266°F) | 204℃ (399°F) | 240℃ (464°F) | 260℃ (500°F) |
| Continuous Use Temp | 150℃ (302°F) | 240℃ (464°F) | 260℃ (500°F) | 280℃ |
| Hydrolysis Resistance | Poor | Poor | Moderate | Excellent |
| Chemical Resistance | Weak acids, weak alkalis (pH 5-9) | weak acids, weak alkalis (pH 5-8) | weak acids, weak organic solvents | strong acids, strong alkalis, organic solvents |
| Abrasion Resistance | Moderate (requires surface treatment) | Moderate (requires surface treatment) | High (inherent fiber toughness) | High (reinforced with calender finish) |
| Filtration Efficiency | 99.5% @ 5 microns | 99.95% @ 1 micron | 99.9% @ 2 microns | 99.99% @ 0.5 micron (coated type) |
| Key Strengths | - Low cost - Lightweight and flexible |
- Excellent heat/flame resistance - Good mechanical strength |
- High dust release efficiency - Lightweight & flexible |
- Extreme chemical/thermal stability - Hydrophobic & non-stick surface |
| Limitations | - Not resistant to high temperatures and strong acids and bases - Hydrolyzed |
- Vulnerable to SOₓ/NOₓ gases - Degrades in pH <5 or >9 |
- Poor hydrolysis resistance - Limited chemical compatibility |
- High cost - Stiff handling |
| Best For | - Woodworking Dust - Food processing - Normal temperature dust |
- Steel foundries - Coal-fired boilers - Non-corrosive high-temp environments |
- Biomass energy - Food processing - General industrial dust |
- Hazardous waste incineration - Cement kilns - Chemical plants |
Customer Cases
German Cement Manufacturer
Challenge: Frequent bag failures due to high-temperature kiln gases (220°C).
Solution: PTFE-coated fiberglass bags with heat-resistant stitching.
Result: 18-month lifespan (+40% vs. previous supplier); reduced downtime by 60%.
Canadian Wood Pellet Plant
Challenge: Combustible wood dust accumulation.
Solution: Static-dissipative polyester filter bags with conductive threads.
Result: Zero fire incidents.
workshop
FAQ
Q: How do I select the right bag material?
A: Share your dust type (e.g., particle size, moisture content), temperature, and chemical exposure. We provide a material compatibility chart.
Q: What maintenance is required?
A: Automated pulse-jet systems typically handle cleaning. Manual inspection every 3–6 months is recommended.
Q: Can these bags integrate with existing Donaldson, Camfil, or FLSmidth systems?
A: Yes – we replicate OEM dimensions and flange designs for seamless compatibility.
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