Sffiltech polyester filter bag for cement food medicine chemical industry
Polyester filter bag product
The polyester filter bag is made of 100% filament polyester fiber raw material. According to the characteristics of the working conditions and usage requirements, different production equipment and manufacturing processes are used. Various denier polyester fibers are mixed through needling, and then subjected to singeing, heat setting, and rolling to produce polyester felt with high filtration performance. Afterwards, a conventional polyester filter bag is made by sewing with polyester felt.
What is filter bags？
Filter bags are also commonly referred to as dust collector filter bags,dust filter bag, baghouse filter bags, As the filter element, the filter bag is a key part of the filtration process, filter bag quality determine the filter efficiency for the end user. our own high technology filter cloth,with patent structure ring mouth and manfactured by the professional production equipment can meet the application of various fields.
When you're in search of efficient filtration solutions, don't overlook our diverse range of products and services. We offer various types of filtering products, including Filter bags, Polyester bags, Dust collector bags, Synthetic filters, High-efficiency filters, as well as Polyester filtration bags, Polyester filter socks, Polyester dust collector bags, and more, all designed to meet your industrial filtration needs. We also provide Filtration solutions and Filtration equipment to ensure your air and liquid filtration requirements are met. As an experienced Filter manufacturer, our products encompass Baghouses and Bag filter replacements to ensure the smooth operation of your equipment. Whether you require Nonwoven bags, Micron filters, or Dust filtration solutions, we can provide the products and services you need. Let our Filter bag housing and Baghouse replacements help maintain your equipment, ensuring efficient filtration while keeping the environment clean. Don't hesitate; choose us as your filtration solution partner to meet your needs.
Two factors effect the choice of filter bags:
Dust Separation Procedure
Different dust separation procedures require different weights and air permeability values for filter media.
Rules:
- The more effective the cleaning process, the more compact and heavier the filter medium can be.
- The higher the emission control standards, the heavier the filter medium should be.
Tops: If these factors are well considered in advance, running cost like electricity for the fan or pressured-air for the cleaning pulses can be saved later on in a great amount.
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Dust Separation Procedure |
（g/m2） |
Air Permeability |
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mm/s @200Pa |
l/(dm²min) @200Pa |
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Intermittent Shaking |
300-350 |
667-1000 |
400-600 |
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Shaking- and reverse air |
350-450 |
417-667 |
250-400 |
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Low pressure cleaning |
400-500 |
250-583 |
150-35 |
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Pulse Jet |
500-650 |
83-250 |
90-150 |
Filter bags material character
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Resistance of Synthetic Fiber to the Influence of Chemicals and to Temperatures |
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Filter Type |
Continuous Temperature |
Peak Temperature |
Resistance to Hydrolysis |
Resistance to Acids |
Resiatance to Alkalis |
Resistance to Oxidation |
PH Value |
Application |
Remark |
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PP |
90℃ |
95℃ |
Excellent |
Excellent |
Excellent |
Restricted |
1-14 |
Applicable to food, flour, sugar, fertilizer, electroplating and pesticide industries |
Restricted resistance to oxidation, but excellent resistance to hydrolysis |
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Co-Acrylic |
115℃ |
120℃ |
good |
moderate |
moderate |
good |
6-13 |
Applicable to dergent industry and coal powder collection |
Good resistance to hydrolysis |
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Co-Acrylic |
125℃ |
140℃ |
good |
good |
moderate |
good |
3-11 |
Applicable to detergent, waste incineration, asphalt, spray dryer, coal mill and power plant industries |
Good resistance to hydrolysis |
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Polyester |
150℃ |
150℃ |
Restricted |
moderate |
Restricted |
good |
4-12 |
Applicable to mine, limestone, cement, iron and steel induestries,alumina delivery, electrolytic aluminium, non-ferrous metal production, wood processing, food processing and pharmacy industry. |
Good resistacne to oxidation, while limited resistance to acids and alkalis. Serive life will be affected by water content under high temperature |
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PPS |
190℃ |
200℃ |
Excellent |
Excellent |
Excellent |
moderate |
1-14 |
Applicable to the working conditions with low oxidation gas from coal-fired boiler, waste incineration, metal smelting and chemical industries |
Moderate resistance to oxidation, but excellebnt resistance to acids and alkalis. |
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M-Aramide |
200℃ |
220℃ |
moderate |
moderate |
moderate |
moderate |
5-9 |
licable tp asphalt, non-ferrous metal production, ceramic, glass industries, Kilin in cement factories and blast furnace in steel factory |
Moderate resistance to oxidation. Characteristics will be influenced by water content under high temperature. |
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Polyimide |
240℃ |
260℃ |
good |
moderate |
moderate |
good |
3-13 |
Applicable to the working condition with corrosive gas, such as chemical, metal smelting, waste incineration industries, cement kiln and coal-fired boiler |
Excellent resistance to high peak temperature |
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PTEE |
250℃ |
280℃ |
Excellent |
Excellent |
Excellent |
Excellent |
1-14 |
Applicable to the working condition with high corrosive gas and high temperature, such as chemical industry, coal-fired boiler, waste incineration industry and non-ferrous metal production |
Excellent resistance to all chemical influences. |
Specification
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Construction |
Needle punch felt |
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Fiber Composition |
Polyester |
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Scrim Composition |
Polyester |
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Felt Area Weight |
350--600g /m² (±5%) |
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Thickness |
1.8-1.9mm |
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Mean Air Permeability |
10-15 m3/ m2/ min@12.7mmH2O |
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Breaking Strength-MD (warp) |
900 N / 5cm |
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Breaking Strength-CMD (weft) |
1300 N / 5cm |
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Breaking Elongation ( N/5cm)-MD(warp) |
20% |
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Breaking Elongation ( N/5cm)-CMD(weft) |
40% |
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Dry Shrinkage MD (130℃(warp) |
<1.5 % |
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Dry Shrinkage CMD (130℃(weft) |
<1.5 % |
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Operating Temperatures |
<130 deg C |
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Recommended Maximum Surge |
150 deg C |
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Finish |
Heat set, singed, calendared W/O Repellent |
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Diameter (mm) |
Length (mm) |
Weight (g/㎡) |
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120, 130, 133, 155, 180, 200, 250, 292, 300 |
1000, 1500, 2000, 2400, 25000, 2480, 2800, 3000, 3200, 3600, 4000, 4400, 5000, 6000, 8000 |
350, 400, 450, 500, 550, 600 |
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Most commonly used dimensions |
133mm*1500mm, 133mm*2000mm, 133mm*2500mm |
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Most commonly used weight |
450g, 500g |
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We can customize diameter, length, and weight for you |
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Application
Polyester filter bags are widely used in food, medicine, petroleum, paint, coating, chemical industry, metallurgy, electronics, machinery, automobile, light industry and other fields.
