Multi-Layer Filter Pack Assemblies for Extruder Screen Changers
Precision spot-welded, aluminum-rimmed, and sintered multi-layer wire mesh screen packs engineered for blown film, sheet extrusion, compounding, and recycled polymer melt filtration. Configured to withstand differential pressure spikes without mesh shift.
Layer Stacks
2 to 7 Layers
Alloys
SS 304, 316L, 904L, Inconel
Micron Range
5 μm – 800 μm
Edge Finish
Spot-Welded / Aluminum Rim
5-Layer Assembly Anatomy
Precision capture of gel particles and melt impurities
Precision Filter Pack Technology & Layer Integration
Multi-layered wire mesh disc packs and diffusion-bonded assemblies engineered for extreme differential pressures, thermal endurance, and precise polymer melt flow uniformity.
- Spot-welded, aluminum rimmed, or framed
- Diffusion-bonded non-migrating wire layers
- Uniform downstream pore geometry
- Zero downstream media deformation
- High wire tensile strength ratings
- Hydrostatic burst pressure verified
- Diameters from 15mm up to 600mm
- Laser cut clean edges with zero burrs
- Custom kidneys, rectangles, and annular dies
Technical Matrix & Comparative Data
Select a specification dataset to review engineering parameters.
| Configuration | Target Application | Layer Sequence (Upstream to Downstream) | Thickness | Burst Rating | Edge Finish |
|---|---|---|---|---|---|
2-Layer Basic Pack | Standard Polymer Extrusion & Coarse Filtration | Coarse Support (20-40 mesh) + Filtration Layer (80-200 mesh) | 0.45 – 0.70 mm | 180 – 220 bar | Spot-Welded / Aluminum Bound |
3-Layer Symmetrical | BOPP Film, Sheet Extrusion & Virgin Resins | Cushion Mesh (60 mesh) + Fine Control (150-325 mesh) + Support Mesh (20 mesh) | 0.75 – 1.10 mm | 250 – 320 bar | Spot-Welded / Framed Rim |
5-Layer High Differential | High-Viscosity Resins, Engineering Plastics & Masterbatch | Protective (30 mesh) + Fine Filtration (200-400 mesh) + Cushion (100 mesh) + Structural (20 mesh) + Base (12 mesh) | 1.40 – 2.20 mm | 350 – 480 bar | Sintered Bond / Hemmed SS Ring |
Sintered 5/7-Layer Laminate | High-Pressure Continuous Screen Changers & Critical Melt Lines | Monolithic Diffusion-Bonded 316L Dutch Weave Stack with Integrated Drainage | 1.70 – 3.50 mm | > 550 bar | Precision Laser Cut / Sealed Rim |
Rim Binding & Encapsulation Options
Available with stamped aluminum, stainless steel 304/316, or copper U-channel frames to guarantee zero polymer leakage past the breaker plate margin.
Custom Wire Gauge Tailoring
Coarse backing wires (1.0mm – 0.45mm diameter) are precision-aligned to provide maximum mechanical support with minimal flow resistance.
Require Custom Pack Geometry or Specific Layer Sequences?
MutualFilter provides rapid-turnaround CNC laser tooling, custom rim encapsulation, and metallurgical validation for OEM extruder builds.
Need a tailored multi-layer filter pack or custom disc assembly?
Connect directly with our application engineers. Whether developing high-pressure polymer packs, chemical filtration elements, or sintered laminate discs, we validate layer configurations, micron ratings, and structural durability for your exact operating environment.
Multi-Layer Assembly & Sintering
Diffusion-bonded 2-to-7 layer packs, custom weave combinations, and edge-binding.
Exact Tolerances & Tooling
Precision stamping, laser cut blanks, pleating, and cylindrical seam welding.
Certified Alloys & Material MTRs
Full traceability with AISI 304, 316L, 904L, Inconel, Monel, and Hastelloy grades.
Engineering Review & Delta P Modeling
Direct flow analysis, mesh retention validation, and CAD/drawing support.
Direct Pack & Assembly Inquiry
Submit your target dimensions, layers, or CAD parameters. An application engineer will reply within 24 business hours.