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good quality polyester filter bag
The dust collector bag is made of a textile filter cloth and a non-woven felt, and the dust-containing gas is filtered using the filtering action of the fiber fabric.
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Product Details
Dust Collector Bags: High - Performance Filtration Solutions
Introduction
Key Types of Dust Collector Bag Materials and Their Characteristics
1. Polyester (PET)
- Filtration Efficiency: Polyester dust collector bags provide a high - level of filtration efficiency, capable of capturing a significant percentage of dust particles, typically in the range of 95 - 99% for particles larger than 1 - 5 microns. This makes them suitable for general industrial applications where a good level of dust removal is required.
- Advantages
- Cost - Effective: Polyester is relatively inexpensive compared to some other materials, making it an attractive option for industries on a budget without sacrificing too much on performance.
- Good Chemical Resistance: It can withstand exposure to a variety of common chemicals found in industrial environments, such as weak acids and alkalis. This property ensures its durability in different production settings.
- High Tensile Strength: Polyester bags have a high tensile strength, allowing them to endure the mechanical stress caused by the air pressure within the dust collector during operation.
- Disadvantages
- Limited Temperature Resistance: Polyester has a relatively low maximum operating temperature, usually around 130 - 150°C. In applications where higher temperatures are present, other materials may be more suitable.
- Prone to Shrinkage in High Humidity: In extremely humid conditions, polyester bags may experience some shrinkage, which could potentially affect the fit and performance of the bag within the dust collector.
2. Nomex
- Filtration Efficiency: Nomex dust collector bags offer excellent filtration performance, effectively capturing fine dust particles. They can achieve a filtration efficiency of over 99% for particles in the sub - micron range, making them ideal for applications where high - purity air is required.
- Advantages
- High - Temperature Resistance: One of the most significant advantages of Nomex is its ability to withstand high temperatures. It can operate continuously at temperatures up to 204°C and can even endure short - term spikes up to 240°C. This makes it suitable for industries such as foundries, incinerators, and cement plants.
- Good Chemical Resistance: Nomex has good resistance to most chemicals, except strong acids. It can maintain its integrity and filtration performance in the presence of a wide range of industrial substances.
- Fire - Retardant: Nomex is inherently fire - retardant, which is a crucial safety feature in industries where there is a risk of fire or explosion due to the presence of combustible dust.
- Disadvantages
- Higher Cost: Nomex is more expensive than polyester, which can increase the overall cost of the dust collection system. This may limit its use in industries with strict cost constraints.
- Sensitivity to Strong Acids: Although it has good chemical resistance overall, Nomex can be damaged by strong acids, which restricts its use in environments where such chemicals are present.
3. PTFE (Polytetrafluoroethylene)
- Filtration Efficiency: PTFE - coated dust collector bags offer outstanding filtration efficiency, capable of achieving near - perfect dust capture. They can trap even the tiniest of dust particles, often with an efficiency close to 99.99% for sub - micron particles.
- Advantages
- Exceptional Chemical Resistance: PTFE is highly resistant to almost all chemicals, including strong acids, alkalis, and solvents. This makes it suitable for use in the most chemically aggressive industrial environments, such as chemical processing plants.
- Low Surface Energy: The low surface energy of PTFE means that dust particles do not adhere easily to the bag surface. This results in better dust release during the cleaning cycle of the dust collector, reducing the frequency of bag cleaning and extending the bag's lifespan.
- Wide Temperature Range: PTFE can operate in a wide temperature range, from extremely low temperatures up to 260°C continuously, and can withstand short - term peaks even higher.
- Disadvantages
- High Cost: PTFE - based dust collector bags are among the most expensive options available. The high cost is due to the complex manufacturing process of PTFE and its superior properties, which may not be justifiable for all applications.
- Brittleness at Low Temperatures: Although it can operate at low temperatures, PTFE can become brittle in extremely cold conditions, which may pose a risk of mechanical damage to the bags.
Conclusion
| Model number | Thickness (mm) | Air permeability (CM/S) | Break strength | Working Tem. (℃) | Weight (g/m2) | |
| Longitude | Latitude | |||||
| FMS9801 | 1.80 | 15-40 | 1600 | 1400 | 200-300 | ≥800 |
| FMS9802 | 1.80 | 15-40 | 1800 | 1600 | 200-300 | ≥800 |
| FMS9803 | 1.80 | 15-40 | 1800 | 1600 | 200-300 | ≥800 |
| FMS9804 | 1.80 | 15-40 | 1600 | 1400 | 180-210 | ≥800 |
| FMS9805 | 1.80 | 15-40 | 1600 | 1400 | 130-250 | ≥800 |
| FMS9806 | 1.80 | 15-40 | 1600 | 1400 | 200-300 | ≥800 |
| FMS9807 | 1.80 | 15-40 | 1600 | 1400 | 180-210 | ≥800 |
| FMS9808 | 1.80 | 15-40 | 1600 | 1400 | 200-300 | ≥800 |
| FMS9809 | 1.80 | 15-40 | 1600 | 1400 | 200-300 | ≥800 |
| FMS98010 | 1.80 | 15-40 | 1600 | 1400 | 80-150 | ≥800 |
| Name | Diameter | Length | Application |
| Round bag (Filtration outside) | 180; 250; 300 | 6000;8000;10000;12000 | Chamber reverse blow bag dust collector |
| Round bag (Filtration outside) | 120;130;152;200 | 2000;2400;2800;3200;3600;4000; 4400;4800;5200;5600;6000;7000 | Pulse jet bag dust collector |
| Flat bag | 800;900 | 2000;3000;4000;5000;6000 | Rotary back blowing bag dust collector |
| Envelope bag | L*W*T | 1500*750*25 | Side-mounted bag dust collector |
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