Multi-Layer Filter Packs for filtering polymer melt in extruders and screen changers with packs of several woven mesh layers graded from coarse to fine. 5 sizes listed, with technical drawing and quotation.
Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.
Sends the selected values to the quote form below.
Request a Quotation for Multi-Layer Filter Packs
Tell us the specification (mesh count / micron / dimensions), material and quantity you need for Multi-Layer Filter Packs (Extruder screen pack convention) and our team will respond within one business day. Click "Request this configuration" on the drawing above to send the parameters you just chose straight into this form.
Every row below is a starting point for the customizer above — pick any specification row and the drawing will redraw to it.
Diameter (mm)
Mesh / micron options
Layers
Edge treatment
Reference standard
20
Coarse guard + fine + support
3
Spot welded
Extruder / SPM pack
38
Coarse guard + fine + support
3-5
Spot welded
Extruder / SPM pack
50
Coarse guard + fine + support
3-5
Bound rim
Extruder / SPM pack
90
Coarse guard + fine + support
5-7
Bound rim
Extruder / SPM pack
155
Coarse guard + fine + support
5-7
Bound rim
Extruder / SPM pack
Multi-Layer Filter Packs (Extruder screen pack convention) is used for filtering polymer melt in extruders and screen changers with packs of several woven mesh layers graded from coarse to fine.
Also known as: extruder screen pack, screen changer filter pack, multi-layer filter screen, spot-welded filter pack
Layer sequence: E.g. 20/40/80/40/20 mesh to balance strength and filtration.
Diameter & fit: Match the breaker plate or screen changer slide.
Bonding: Spot-welded, rimmed or loose packs.
Materials
Standard supply is stainless steel 304, stainless steel 316/316L, Monel 400, Inconel 600; the material column in the table and the drawing options show the exact grade for each size. Other alloys and finishes can be quoted to your drawing.
Fitting & Care
Fit packs with the finest layer protected on both sides.
Log pressure and change packs at a fixed rise.
Common Mistakes
Too fine packs causing high melt temperature.
Reversed packs.
When Multi-Layer Filter Packs Is Not the Right Choice
Not for low-viscosity liquids where a cartridge is simpler.
Multi-Layer Filter Packs is stocked and supplied to order in rolls, cut sheets and fabricated pieces. Pricing starts from approximately US$0.15 per unit for standard specifications in stainless steel 304; final pricing depends on specification, alloy, quantity and fabrication (MOQ applies). Submit your exact configuration with the quote form above.
Filtering polymer melt in extruders and screen changers with packs of several woven mesh layers graded from coarse to fine.
What is an extruder screen pack?
A stack of mesh layers that filters the polymer melt before the die.
Which layer order?
Coarse–fine–coarse protects the fine layer.
Spot-welded or loose?
Spot-welded packs install faster and do not shift.
What specifications are available for Multi-Layer Filter Packs?
The table on this page lists 5 standard specifications for Multi-Layer Filter Packs, from 20 to 155. Specifications outside the table — custom mesh counts, wire diameters, roll widths and fabricated pieces — can be quoted on request.
How do I request a quotation?
Use the parametric drawing on this page to set the exact configuration (specification, material, treatment) and click "Request this configuration" — a specialist from custommetalfilters.com will respond within one business day.
Related Mesh Products
Closely related constructions in Filter Elements — compare aperture range, open area and cleanability.
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