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Polymer Extruder Screen mesh filters

Polymer Extruder Screen mesh filters
Polymer Candle Filter elements SUS 304

Polymer Candle Filter elements SUS 304
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China Candle Filter Cartridge and Elements Suppliers | High-Quality Factory Products for Polymer Filtration

Candle Filter Elements are advanced filtration solutions designed for high-temperature and high-pressure polymer processing applications. Manufactured by leading suppliers in China, these metal pleated filter elements feature durable candle holders, allowing them to function effectively as candle-like filtration units. They are specifically engineered to eliminate impurities such as titanium dioxide, gels, and other solid residues from polymer melts, making them ideal for the chemical fiber, textile, and plastics industries, These filter elements are typically tubular and crafted from high-quality stainless steel mesh or stainless steel sintered mesh. Each element includes a cap on the bottom and a threaded connector on the top (or vice versa) to seamlessly connect to the core end. The outer surface of certain tubes is reinforced with perforated metal sheets, expanded metal, sintered metal, or porous ceramic, effectively supporting the filter media. As a reliable factory for candle filter elements in China, we ensure that our products meet rigorous industry standards, providing optimal performance in monomer, pre-polymer, and polymer filtration systems
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    Product Detail

    Description

    The melt filter element is installed in the extrusion line, where the polymer melt is forced through the filter to remove impurities. The candle filter element is placed inside the filter housing (housing). It is a compact device that can typically hold 1–20 candles, depending on the size of the filter. The filter element is arranged vertically in the pressure vessel to filter liquids with low solid content. The candle filter allows high productivity, easy bottom sediment discharge.

    The main filter layer of Pleated Filter mainly uses two materials: stainless steel wire mesh and stainless steel sintered fiber. Stainless steel wire mesh is woven from stainless steel wire. Its pleated filter has the characteristics of smooth pores, easy cleaning, high temperature resistance, corrosion resistance, no wire mesh falling off, and long filtration cycle. Stainless steel sintered fiber is a porous deep filter material made of stainless steel fibers sintered at high temperature. Its pleated filter has the characteristics of high porosity, good air permeability, strong dirt holding capacity, and strong regeneration ability.

    • mesh-filter
    • Candle Filter Cartridge and Filter Elements for Polymer
    • candle-filter
    Candle Filter Elements and Filter Media
    Filter Raw Material SUS304/316L
    Filter Media Metal sintering mesh & Stainless steel wire mesh
    Filtration Rating 1–200 Micron
    Filter Length 16–60 inch (406.4–1524mm)
    Working Temp. ≤350℃
    Allowed Pressure Difference 10 bar / 14 psi
    Connector Type 222 / 226 / 215 / M36 / M28 / M24 / M22 / M20
    📌 Note: We can provide high quality polymer pleated candle filters to meet your specific requirements of polymer melt filtration applications.
    SUS Screen Mesh Polymer Filter Element for Chemical Fiber Industry
    Stainless Wire Mesh for Polymer Filter Element
    Mesh/Inch Wire Diameter Aperture Open Area Weight (LB) /100 Sq.Ft
    Inch MM Inch MM
    1x1 0.08 2.03 0.92 23.37 84.6 41.1
    2X2 0.063 1.6 0.437 11.1 76.4 51.2
    3X3 0.054 1.37 0.279 7.09 70.1 56.7
    4X4 0.063 1.6 0.187 4.75 56 104.8
    4X4 0.047 1.19 0.203 5.16 65.9 57.6
    5X5 0.041 1.04 0.159 4.04 63.2 54.9
    6X6 0.035 0.89 0.132 3.35 62.7 48.1
    8X8 0.028 0.71 0.097 2.46 60.2 41.1
    10X10 0.025 0.64 0.075 1.91 56.3 41.2
    10X10 0.02 0.51 0.08 2.03 64 26.1
    12X12 0.023 0.584 0.06 1.52 51.8 42.2
    12X12 0.02 0.508 0.063 1.6 57.2 31.6
    14X14 0.023 0.584 0.048 1.22 45.2 49.8
    14X14 0.02 0.508 0.051 1.3 51 37.2
    16X16 0.018 0.457 0.0445 1.13 50.7 34.5
    18X18 0.017 0.432 0.0386 0.98 48.3 34.8
    20X20 0.02 0.508 0.03 0.76 36 55.2
    20X20 0.016 0.406 0.034 0.86 46.2 34.4
    24X24 0.014 0.356 0.0277 0.7 44.2 31.8
    30X30 0.013 0.33 0.0203 0.52 37.1 34.8
    30X30 0.012 0.305 0.0213 0.54 40.8 29.4
    30X30 0.009 0.229 0.0243 0.62 53.1 16.1
    35X35 0.011 0.279 0.0176 0.45 37.9 29
    40X40 0.01 0.254 0.015 0.38 36 27.6
    50X50 0.009 0.229 0.011 0.28 30.3 28.4
    50X50 0.008 0.203 0.012 0.31 36 22.1
    60X60 0.0075 0.191 0.0092 0.23 30.5 23.7
    60X60 0.007 0.178 0.0097 0.25 33.9 20.4
    70X70 0.0065 0.165 0.0078 0.2 29.8 20.8
    80X80 0.0065 0.165 0.006 0.15 23 23.2
    80X80 0.0055 0.14 0.007 0.18 31.4 16.9
    90X90 0.005 0.127 0.0061 0.16 30.1 15.8
    100X100 0.0045 0.114 0.0055 0.14 30.3 14.2
    100X100 0.004 0.102 0.006 0.15 36 11
    100X100 0.0035 0.089 0.0065 0.17 42.3 8.3
    110X110 0.004 0.1016 0.0051 0.1295 30.7 12.4
    120X120 0.0037 0.094 0.0064 0.1168 30.7 11.6
    150X150 0.0026 0.066 0.0041 0.1041 37.4 7.1
    160X160 0.0025 0.0635 0.0038 0.0965 36.4 5.94
    180X180 0.0023 0.0584 0.0033 0.0838 34.7 6.7
    200X200 0.0021 0.0533 0.0029 0.0737 33.6 6.2
    250X250 0.0016 0.0406 0.0024 0.061 36 4.4
    270X270 0.0016 0.0406 0.0021 0.0533 32.2 4.7
    300X300 0.0051 0.0381 0.0018 0.0457 29.7 3.04
    325X325 0.0014 0.0356 0.0017 0.0432 30 4.4
    400X400 0.001 0.0254 0.0015 0.37 36 3.3
    500X500 0.001 0.0254 0.001 0.0254 25 3.8
    635X635 0.0008 0.0203 0.0008 0.0203 25 2.63
    Application Areas
    • 🛢️
      Petrochemical: Refining, chemical production and separation and recovery of intermediate products.
    • ⚙️
      Metallurgy: Used for filtration of hydraulic systems of rolling mills and continuous casting machines.
    • 🧵
      Textile: Purification and uniform filtration of polyester melt during the drawing process.
    • 💊
      Electronics and Pharmaceuticals: Pre-treatment and filtration of reverse osmosis water and deionized water, pre-treatment and filtration of cleaning fluid and glucose.
    • ⚡
      Thermal Power and Nuclear Power: Purification of lubrication systems, speed control systems, bypass control systems of gas turbines and boilers, purification of water supply pumps, fans and dust removal systems.
    Quality Control
    • ✅
      Every polymer filter element is tested by bubble-point and air flow method before shipment to ensure product integrity and performance. Test certificate is offered with each lot of shipment.
    • 🔖
      All polymer melt filter elements are laser marked for identification and easy tracing at bottom of end fittings. According to this, we can provide reliable after sales service.
    • 🏭
      Candle elements are made from 304L or 316L stainless steel filter media. Ideal for repeated cleaning and long term uses. Suitable for high temperatures uses and highly corrosive applications.
    Frequently Asked Questions (FAQ)
    What is a candle filter element and how does it work?
    A candle filter element is a cylindrical filtration component installed inside a filter housing. In polymer melt filtration, the melt is forced through the filter under pressure, trapping impurities within the filter media while allowing clean melt to pass through. The elements are arranged vertically inside a pressure vessel and can hold 1–20 candles depending on the filter size.
    What filter media materials are available for polymer candle filter elements?
    Two primary filter media are used: stainless steel wire mesh (SUS304/316L), which offers smooth pores, easy cleaning, and high temperature resistance; and stainless steel sintered fiber, which provides high porosity, excellent air permeability, strong dirt-holding capacity, and superior regeneration ability.
    What is the filtration rating range for these polymer filter elements?
    The filtration rating ranges from 1 to 200 microns, making these elements suitable for a wide variety of polymer melt filtration applications, from coarse pre-filtration to fine precision filtration in chemical fiber and extrusion processes.
    What are the maximum working temperature and pressure for these filter elements?
    The candle filter elements can withstand working temperatures up to 350°C and an allowed pressure difference of 10 bar (14 psi). This makes them well-suited for high-temperature polymer melt and corrosive chemical processing environments.
    What industries can use these candle filter elements?
    These filter elements are widely used across multiple industries including petrochemical (refining and chemical production), metallurgy (rolling mills, continuous casting), textile (polyester melt filtration), electronics and pharmaceuticals (water purification, cleaning fluids), and thermal/nuclear power (lubrication and speed control system purification).
    How is the quality of each polymer filter element verified before shipment?
    Every filter element undergoes rigorous bubble-point and air flow testing before shipment to verify integrity and performance. A test certificate is provided with each shipment lot. Additionally, all elements are laser-marked at the bottom of end fittings for easy identification and traceability, supporting reliable after-sales service.

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