Filter Elements

ZhongPu Wire Mesh Co., Ltd. offers extruder screen pack filter elements designed for polymer extrusion, plastic recycling, rubber processing, and melt filtration systems. These extruder screens are available in single-layer, double-layer, multi-layer, spot-welded, rimmed, and welded screen pack varieties, ensuring effective impurity removal and stable melt flow. Manufactured from stainless steel wire mesh such as SS 304, SS 316, and other alloys, they provide excellent heat resistance, strength, and durability. Customization options include mesh count, wire diameter, shape, outer diameter, thickness, and special structures to meet specific extruder and filtration requirements, supporting consistent product quality and extended equipment life.

Wire Mesh Extruder Screen Packs for Polymer Melt Filters

• Material: Made from SS 304, SS 316, SS 316L, plain steel, and galvanized steel, providing heat resistance, corrosion resistance, and long service life.
• Mesh Count (Filter Rating): Multilayer screen packs commonly use 20 / 40 / 60 / 80 / 100 mesh combinations for polymer melt filtration.
• Wire Diameter: Wire diameters range from 0.03 mm to 0.50 mm, balancing filtration efficiency and pressure strength.
• Screen Pack Structure: Available as single-layer, double-layer, three-layer, multi-layer, spot-welded, rimmed, and fully welded screen packs.
• Diameter Range: Standard diameters include 60 mm, 90 mm, 120 mm, 150 mm, and 200 mm for extruder filter heads.
• Thickness: Overall thickness ranges from 0.2 mm to 5.0 mm, depending on layer count and structure.
• Shape: Supplied in round, oval, rectangular, square, and custom-cut shapes for extruder systems.
• Edge Treatment: Offered with plain cut, spot welded, or stainless steel rimmed edges for secure fitting.
• Filtration Accuracy: Filtration accuracy typically ranges from 25 microns to 200 microns for melt filtration.

Plastic Extruder Filter Screen Packs

• Mesh Count (Filtration Grade): Mesh counts range from 10 to 400 mesh, with common multilayer combinations such as 20 / 40 / 60 / 80 / 100 mesh for staged melt filtration.
• Wire Diameter: 0.03 mm to 0.50 mm
• Screen Pack Structure: Single-layer, double-layer, three-layer, multi-layer, spot-welded, rimmed, and fully welded extruder screen packs.
• Diameter Sizes: 60 mm, 90 mm, 120 mm, 150 mm, 200 mm
• Thickness: 0.2 mm to 5.0 mm
• Shape Options: Round, oval, rectangular, square, and custom-cut shapes for plastic extruder melt filters.
• Edge Treatment: Supplied with plain cut, spot welded, or stainless steel rimmed edges for reliable sealing.
• Filtration Accuracy: Filtration precision typically ranges from 25 microns to 400 microns.

Applications of Plastic Extruder Filter Screen Packs

• Plastic Extrusion Lines
• Plastic Recycling Systems
• Polymer Compounding and Masterbatch Production
• Rubber and Chemical Processing

Advantages of Plastic Extruder Filter Screen Packs

• High Filtration Efficiency
• Stable Melt Flow Control
• High Temperature and Pressure Resistance
• Extended Extruder Service Life
• Flexible Structure Options
• Supports customized sizes, shapes, and mesh

Multi-layer extruder wire mesh screen filter packs

• Layers: Available in 2, 3, 4, 5 layers, or multi-layer configurations to meet different filtration requirements.
• Material: Manufactured from stainless steel (SS302, SS304, SS316, SS316L) woven wire cloth, copper wire cloth, galvanized wire mesh, aluminum alloy, and nickel alloys.
• Shapes: Supplied in round, oval, rectangular, and elliptical shapes for various extruder systems.
• Pack Diameter: Standard diameters range from 20 mm to 900 mm, with customization available.
• Frame Style: Offered with frame, without frame, or spot welded; common types include disc-type wire mesh filter screens and circular screens.

Steel Metal Wire Mesh Extruder Screen

• Material: Manufactured from SUS 301, 302, 304, 304L, 316, 316L stainless steel wire mesh, as well as brass wire mesh, plain steel wire mesh, and galvanized wire mesh for extrusion filtration.
• Diameter of Wire Mesh Discs: Standard disc diameters range from 2 to 30 inches, suitable for most plastic extruder and melt filter systems.
• Features: Neat and precise construction with uniform mesh opening, reliable filtration accuracy, high compressive strength, heat and corrosion resistance, wear resistance, and good forming performance.
• Application: Widely used for gas and liquid filtration, medium separation, pressure filtration, fuel and vacuum filtration in petroleum, chemical, fiber, rubber, metallurgy, pharmaceutical, and food industries.

Stainless Steel Extruder Screens for Polymer Melt Filtration in Plastic Extrusion Lines

• Material: Stainless steel wire mesh including SS 201, 202, 304, 304L, 316, 316L, 321, and 430 grades for stable and durable filtering performance.
• Wire Diameter: Available wire diameters range from 0.028 mm to 0.711 mm, supporting different mesh counts and pressure requirements.
• Mesh: Mesh sizes range from 10 mesh to 400 mesh, covering coarse to fine filtration needs.
• Shape: Supplied in round and disc shapes for extruder filters and industrial screening applications.
• Usage: Applied in filtration systems, chemical processing, mining, paper-making, and related industrial operations.
• Circular Filter Screen Quality: Features a smooth screening surface with no burrs or sharp edges, high durability, stable tension performance, and precision cutting to ensure uniform edges and minimal material waste.
• Filter Media: Primary filter media is stainless steel wire mesh, ensuring consistent filtration and long service life.

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Rimmed Extruder Screen Packs (Metal Edge Type)

Product Type: Rimmed extruder screen packs Mesh Material: Stainless steel wire mesh (SUS 304, 316, 316L) Rim Material: Aluminum ring or stainless steel ring Screen Diameter: 50–300 mm (2–12 inches) Mesh Count: 20–200 mesh Wire Diameter: 0.05–0.30 mm Screen Thickness: 0.3–2.0 mm Edge Width: 3–10 mm metal rim Layer Structure: Single-layer or multi-layer bonded mesh Filtration Precision: Approx. 75–800 μm Operating Temperature: Up to 500 °C Application: Plastic extrusion, polymer melt filtration, recycling lines

Ring-shaped extruder screen filter with stainless steel mesh for plastic extrusion applications

Product Type: Ring-shaped extruder screen Mesh Material: Stainless steel wire mesh (304 / 316) Outer Diameter: 80–400 mm Inner Diameter: 30–200 mm Mesh Count: 10–150 mesh Wire Diameter: 0.08–0.40 mm Screen Thickness: 0.5–3.0 mm Edge Finish: Plain cut or reinforced metal edge Open Area: 30–60% Filtration Accuracy: 100–2000 μm Manufacturing Process: Weaving, cutting, edge welding Application: High-flow plastic extrusion and continuous melt filtration

Bulk Packaged Extruder Screen Discs

Product Type: Extruder screen discs Mesh Material: Stainless steel, carbon steel, galvanized steel Disc Diameter: 20–150 mm (custom sizes available) Mesh Count: 20–400 mesh Wire Diameter: 0.03–0.25 mm Screen Thickness: 0.1–1.5 mm Edge Type: Plain cut edge Shape: Round disc Filtration Precision: 38–1000 μm Packaging: Bulk packed in plastic bags or cartons Surface Finish: Cleaned and oil-free Application: Plastic recycling, pelletizing, extrusion compounding

Multi-layer stainless steel extruder screen filter for high-precision polymer melt filtration