Anti-static filter bags are specialized filtration media designed to prevent electrostatic discharge (ESD) in industrial dust collection systems, reducing the risk of fires and explosions in combustible dust environments, such as flour dust, chemical dust, etc. These bags incorporate conductive materials (such as carbon fibers or metal filaments) to safely dissipate static charges. Conductive fibers create a continuous path to ground, preventing charge buildup.
Technical Parameter
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Fiber |
Polyester |
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Scrim |
Antistatic Yarn |
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Weight: g/m² |
500 |
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Thickness: mm |
1.7 |
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Final Surface Treatment |
Heat-setting Singeing & Calendering one side Anti static |
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Tensile strength: warp/ weft: N/50 mm |
≥1100 / ≥1600 |
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Tensile strength: warp/ weft: % |
≤35 / ≤50 |
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Working temperature: °C |
130 |
Peak temperature: 150 |
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Heat Shrinkage: 130°C [%] |
1.5 |
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Air Permeability: L/m².s@200Pa |
150-250 |
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Melting Point: °C |
254 |
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Resistance to aging |
Good |
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Resistance to solvents |
Good |
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Resistance to abrasion |
Good |
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Resistance to water & oil |
Excellent |
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Resistance to Oxidation, lights, etc |
Excellent |
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Resistance to alkali |
Less good |
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Resistance to dilute acids |
Less good |
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Resistance to concentrated acid |
Less good |
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Fire resistance |
Normal flammability |
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Resistance surface: Volume YX10 |
8.7 |
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Frictional potential maximum value |
250 |
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Mean value: V |
183 |
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Antistatic: Yes/ No |
Yes, ≤ 106 Ohm/cm |
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| Degree of separation/ dust content mg/ m³ | 30 and below | |||
| Quality degrees | Excellent – Good – Medium - Less good – Not recommended (*) | |||
This document and all information contained herein belong to KESKAY FILTER. It may not be copied, passed on to third parties or used for any other purpose without the written consent of KESKAY FILTER. KESKAY FILTER reserves the right to change specifications without notice.
Applications
Anti static filter bags are essential for explosive dust environments, preventing sparking in explosive dust, combining safety, efficiency, and durability. Choosing the right type depends on dust properties, temperature, and industry regulations. Normally used in furniture factories, metal processing, food, biomass pellet, energy & mining, etc. The anti static filter bag resolved the static electricity hazards in the flammable dust conditions. The package we usually pack for the woven polypropylene bag can mostly increase the maximum quantities, and the low cost for the customer, also the carton box offers available options for the customer's needs.








Workshop
Keskay Filter has two major production bases located in Foshan, Guangdong and Zhuzhou, Hunan. Its three main workshops play a crucial role in the production process.
Filter Material Workshop
As the core base for filter material production, the Filter Material Workshop is equipped with industry-advanced equipment, including needle-punched non-woven production lines with widths of 2.2 meters and 2.6 meters, tentering and setting production lines, and laminating production lines. These professional devices cover the entire production process, such as fiber opening, blending, carding, cross-laying, and needle-punching. Among them, the needle-punching equipment can precisely control the needle frequency and needle depth, ensuring that the filter material forms a uniform and stable pore structure. This provides high-quality base material for subsequent filter bag processing, and the equipment technology level ranks among the leading echelons in the domestic filter material production field.
Bag Workshop
As a technology-intensive production site, the Filter Bag Workshop is equipped with 5 fully automatic three-thread sewing machines and 65 sets of supporting production equipment, establishing a full-process equipment system ranging from filter material cutting to finished product sewing. These professional equipment form an efficient connection with the wide-width needle-punched non-woven production lines and laminating production lines in the Filter Material Workshop, ensuring that upstream customized filter materials can be accurately transformed into dust-removal filter bags that meet working condition requirements. The equipment automation level ranks among the leading positions in the same industry in South China.
Bag Cage Workshop
As the core hub for bag cage skeleton production, the Skeleton Workshop is equipped with 8 fully automatic bag cage production lines, as well as exclusive production lines for flat bag cages and special-shaped bag cages. It also introduces high-precision wire drawing machines, automatic welding equipment, and assembly line spraying lines. These equipment cover the entire process from metal raw material processing to finished product coating. Among them, the fully automatic welding equipment can achieve precise positioning of welding spots with an error controlled within 0.1mm, and the assembly line spraying line adopts electrostatic spraying technology to ensure coating uniformity and adhesion. The equipment automation level is in a leading position among similar workshops in South China.






Enterprise honor
As a national-level high-tech enterprise, Keskay Filter has obtained authoritative recognition for its technological strength, having accumulated 18 invention patents in total. This honor demonstrates its continuous breakthroughs in the field of environmental protection filter materials. From the R&D of dust-removal filter bags ranging from normal-temperature to high-temperature series to the performance upgrading of filter materials, these patented achievements have not only been transformed into practical productivity but also supported the enterprise's dust governance solutions in multiple industries such as iron and steel metallurgy and new energy.

Package




As core components of industrial dust removal equipment, the packaging quality of dust filter bags and cages directly determines the integrity of products during warehousing, transportation and subsequent installation. To ensure that every set of products can be delivered to customers in the best condition, our company has formulated strict and standardized packaging standards, integrating the standardized process into all links of packaging, and adhering to the four core principles of anti-deformation, moisture-proof, scratch-proof and corrosion-proof.
For dust filter bags, we implement a standardized double-layer packaging process: the inner layer is sealed with food-grade PE plastic bags for single or double bags, completely isolating moisture, dust and impurities to avoid dampness and pollution of the filter bags; the outer layer is made of thickened and reinforced cartons or solid wood boxes, with sizes accurately customized according to the specifications of the filter bags. The boxes are filled with high-density foam, bubble film and other buffer materials to fully wrap the filter bags, eliminating extrusion and collision damage during transportation and warehousing. For dust cages, we adopt layered fixed packaging with iron frames or steel brackets, prefer vertical suspension placement, lay non-slip soft pads between layers, and strictly control the stacking layers (≤10 layers) to prevent the cages from bending and deforming, and the sprayed or galvanized surfaces from being scratched. Every step from material selection, packaging operation to finished product inspection is carried out in accordance with standards to ensure that the packaging quality meets the requirements.
Transportation

As core components of industrial dust removal equipment, dust filter bags and cages play a vital role in the stable operation of dust removal systems. The transportation process, as a key link connecting our factory to your site, directly determines the integrity of products and the effect of subsequent installation. To ensure the products are delivered intact, our company has formulated strict and standardized transportation specifications, strictly abiding by the principles of anti-deformation, moisture-proof, scratch-proof and corrosion-proof throughout the whole process.
For dust filter bags, we adopt double-layer professional packaging: the inner layer is sealed with PE plastic bags to isolate moisture and dust, and the outer layer is packed with sturdy cartons or wooden boxes filled with buffer materials such as foam and bubble film to avoid extrusion damage during transportation. For dust cages, we use iron frames or steel brackets for layered packaging, prioritize vertical suspension placement, control stacking height, and use soft pads between layers to prevent scratches on the spray-coated or galvanized surface. During transportation, we only use closed trucks or containers to ensure the carriage is dry and clean, and strictly prohibit mixed transportation with acids, alkalis, oil stains and sharp objects. Every link from loading, transportation to unloading is operated in accordance with standardized processes, fully guaranteeing the product quality before installation.
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