Products Description
The structural design of the cotton wound filter cartridge is based on a precision winding process of textile fibers. The core components include skimmed cotton fibers, a polypropylene or stainless steel skeleton, and end cap sealing material. The skimmed cotton fibers are helically wrapped around the skeleton at a specific winding angle (usually 5°-7°) to form a sparse outer and dense inner gradient pore structure with a porosity of 70%-80%.

Technical parameters
| Micron Rating | Precise grading of 1-100μm can be realized by controlling the winding density. |
| Skeleton | Polypropylene injection molding or stainless steel welding process is adopted, with compressive strengths of 0.6MPa and 1.2MPa respectively. |
| End Cap Sealing | Food-grade epoxy resin or silicone is used to ensure that the sealing performance is maintained in a 60℃ working environment. |
| Size | The product line covers a variety of length options from 125-1016mm, with a uniform outer diameter of 65mm and a standardized inner diameter of 28-30mm. |
| Flow Rate | The standard 250mm length cartridge can realize 1.0T/H fresh water treatment capacity under the condition of 10μm precision. |
performance
Chart 2: Flow vs. Pressure Drop

Chart 2: Wound Filter Cartridge Micron Rating and Dirt-holding Capacity Relationship

Deep physical interception capability is one of the core advantages of this technology. Through the winding process of gradient density design, the filter element forms a gradient structure from the outer layer to the inner layer with a pore size of 1μm to 100μm, which can effectively intercept pollutants of different particle sizes in industrial wastewater.
Chart 2 shows that the dirt-holding capacity can reach up to 600.0g at a filtration precision of 1μm, and even if the filtration precision is increased to 50μm, the dirt-holding capacity can still be maintained at 150.0g. This characteristic makes it particularly suitable for treating industrial wastewater containing sediment, scale particles, biological slime fragments and metal oxides.
applications
| Application Areas | Technical Advantages | Typical Application Scenarios |
| Industrial Wastewater Treatment | Deep Physical Interceptor, High Fouling Capacity, Gradient Density Design | Intercepts Sediment, Scale Particles, Bio-mucus Debris, Metallic Oxides |
| Chemical and Process Industries | Protects Downstream Precision Equipment, Prevents Clogging or Scratchings | Chemical Raw Liquid Delivery, Process Water, Solvent Filtration |
| Electronics and High-end Manufacturing | Safeguards Ultra-High Purity, Protects Precision Purification Components | Electronics Industry Ultra-pure water preparation, semiconductor cleaning process, electroplating solution filtration |
| Food & Beverage Industry | Primary purification, safeguard product hygiene and equipment safety | Pre-treatment of process water for large-scale beverage production lines, food processing plants |
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