Extruder Equipment

Product Types & Specifications

Extruder screens are essential filtration components used throughout the plastic extrusion process to remove contaminants, impurities, gels, and unmelted polymer particles from molten plastic. At Rowe Equipment, we supply a full range of extruder screen packs — single mesh, spot-weld, aluminum frame — with 25+ years of polymer filtration experience.

Single Mesh Screens

Premium Dutch Weave and standard mesh configurations manufactured from high-quality stainless steel. Available in 304 or 316 SS for various applications.

Spot Weld Screen Packs

Custom-engineered multi-layer mesh packs resistance-spot-welded for structural integrity while providing enhanced filtration performance.

Aluminum Frame Packs

Engineered screen packs with aluminum frames that ensure complete sealing of all contact surfaces for assembly and performance.

Cylinder Screen Packs

Precision-manufactured cylindrical elements for blow-molding, pipe, and profile extrusion applications.

Reverse Dutch Weave Screens

Plus-pattern sintered multi-layer discs rated up to 160-360 mesh screen configurations for ultra-fine filtration below 25 microns.

OEM Replacement Screens

Complete screen solutions manufactured to OEM specifications, including continuous multiple screen configurations for high-output extrusion lines.

Industries Served

Plastic Recycling & Reclamation

Blown Film Manufacturing

Cast Film Production

Polymer Compounding

Blown & Profile Extrusion

Pipe & Tubing Extrusion

Wire & Cable Coating

Synthetic Fiber & Nonwovens

Food-Grade Packaging

Medical Tubing & Devices

Applications

Extruder melt filtration (continuous and discontinuous)

Recycled material decontamination

Virgin polymer polishing filtration

Screen changer filtration (continuous and discontinuous)

Gel and particle removal in blown film lines

Compounding and mixing operations

Spin pack filtration for fiber production

Food-contact polymer processing

Monocarton resin (PCR) processing

Gear pump protection filtration

Technical Specifications

Specification	Details
Mesh Count	20 to 325 mesh (single or multi-layer)
Diameter Range	1.5" to 12"+ (custom available)
Materials	304 SS, 316 SS, Monel, Hastelloy, Carbon Steel
Weave Types	Plain, Twill, Dutch, Reverse Dutch Weave (RDW)
Pack Styles	Loose, Spot-Weld, Aluminum Frame, Cylinder
Tolerance	±0.005" on diameter; wire diameter to ASTM E-11

Selection Guide

Mesh Count

Higher count provides better filtration but creates more pressure drop. Coarse mesh (lower count) offers higher throughput at lower pressure drop.

Material Grade

Use 304 SS for most applications, 316 SS for corrosive additives, carbon steel for cost-sensitive applications with compatible materials.

Weave Type

Use plain weave for general filtration; Dutch weave for high flow with fine filtration; RDW for maximum strength under pressure.

Pack Style

Single layer for clean materials; multi-layer spot-weld for recycled feedstocks requiring graduated filtration and ease of handling.

Equipment Compatibility

Screen dimensions and configurations must match your specific screen changer or breaker plate design.

Frequently Asked Questions

Coarse mesh is designed for basic duty creating allowance with fine product sheets for screen exchange. Coarse mesh is designed for cleaning operations requiring a rough surface.

Screen change frequency depends on polymer type, contamination level, and acceptable pressure rise. Monitor pressure drop across the screen changer and change before reaching maximum allowable pressure.

Single-layer and aluminum frame screens can sometimes be cleaned by burning out polymer and then wire brushing. However, cleaning often damages fine mesh and single-use replacement is usually more economical.

Standard grades include 304 SS, 316 SS, and carbon steel. Specialty alloys (Monel, Hastelloy) available for corrosive or specialty polymer applications.

Multi-layer packs provide graduated filtration (coarse-to-fine) which captures more contaminants, extends screen life, and maintains more consistent pressure drop compared to single-layer screens.

Gels are typically caused by degraded polymer, cross-linked material, or inadequately melted resin. Finer screen packs (150-200+ mesh) capture these particles before they reach the die.