Explore our premium grade candle filter cartridges, leaf disc filters, and high-viscosity melt filtration media engineered for minimum pressure drop ($\Delta P$) and maximum contaminant retention capacity.
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View ProductIn modern industrial processing, precision fluid filtration stands as the primary safeguard against equipment damage, production downtime, and final product degradation. As polymer processing technologies advance toward higher throughput speeds, microscopic tolerances, and increased utilization of Post-Consumer Recycled (PCR) resins, the role of Custom Mesh Filter Screens has expanded from basic barrier filtration to highly sophisticated fluid dynamic management.
Historically, single-layer woven wire mesh discs served as the standard solution for screen changers in plastic extruders. However, high-shear stress, thermal degradation, rapid pressure drop ($\Delta P$) spikes, and gel formation necessitated a paradigm shift. Today’s state-of-the-art filtration media incorporate multi-layer sintered wire mesh, metal fiber sintered felt, micro-pleated candle filter cartridges, and high-surface-area leaf discs manufactured from corrosion-resistant alloys such as SUS 304, SUS 316L, 904L, and Nickel-Chromium superalloys.
Core Filtration Efficiency Milestone: Modern multi-layer sintered mesh packs reduce flow channel turbulence while enhancing Gel Retention Capacity (GRC) by up to 340% compared to traditional single-weave mesh screens, drastically increasing continuous production hours between filter changes.
Procurement directors, plant engineers, and OEM line manufacturers face increasingly complex challenges in sourcing high-durability filtration media. Modern processing lines require filter screens that meet strict operational metrics.
Uncontrolled pressure spikes cause melt fracture, thickness variation in blown films, and filament breakages in spinning machines. Precision-engineered mesh configurations maintain linear pressure distribution across extended cycles.
High-viscosity polymer melt systems operate at temperatures upwards of 300°C–350°C and hydraulic pressures exceeding 200 bar. Sintered stainless steel wire mesh prevents mesh migration and structural collapse.
With global sustainability mandates pushing PCR content above 30%–50%, filter media must withstand severe mechanical abrasion from aluminum particles, paper residues, and cross-linked gels without tearing.
Pujiang HG Plastic Machinery Co., Ltd. combines state-of-the-art digital manufacturing with vertical supply chain integration to supply high-precision mesh filter screens worldwide.
Our facility utilizes German-engineered multi-head CNC looms and automated plasma circumference welding units, delivering precise mesh pore alignment and zero seam distortion.
By bonding multiple wire mesh layers under vacuum sintering furnaces at 1100°C+, we create monolithic filter discs and cylinders that prevent wire shifting under high dynamic pressures.
Direct partnerships with top-tier stainless steel mills ensure complete batch traceability, certified chemical analysis (PMI testing), and 100% ISO 4003 bubble point validation before dispatch.
Select the optimal filter structure based on fluid viscosity, operation pressure, temperature rating, and targeted micron filtration rating.
| Filter Media Type | Available Materials | Micron Rating ($\mu$m) | Operating Temp Range | Key Performance Strengths |
|---|---|---|---|---|
| Multi-Layer Sintered Wire Mesh | SUS 304, 316L, 904L, Alloy 20 | 1.0 - 200 $\mu$m | -200°C to +600°C | Rigid structural integrity, high flow rate, zero wire migration, ultrasonic cleanable. |
| Sintered Metal Fiber Felt | AISI 316L Stainless Steel | 3.0 - 80 $\mu$m | Up to 480°C | Ultra-high dirt holding capacity (DHC), extremely low differential pressure ($\Delta P$). |
| Pleated Candle Filter Cartridge | SUS 304, SUS 316L | 5.0 - 250 $\mu$m | Up to 350°C | Maximum effective filtration area per volume, ideal for CPF polymer systems. |
| Polymer Leaf Disc Filter | 316L Woven / Sintered Web | 10 - 150 $\mu$m | Up to 330°C | Smooth flow paths, zero dead zones, engineered for BOPET & BOPP high-purity film. |
| Extruder Screen Mesh Discs | 304 SS, Galvanized, Brass | 20 - 500 Mesh | Up to 400°C | Cost-effective single or spot-welded multi-layer discs for continuous screen changers. |
Our custom mesh filter elements are deployed across high-demand manufacturing sectors around the globe, protecting processing equipment and ensuring product compliance.
Melt candle filter cartridges eliminate un-melted polymer gels, degraded specks, and particulate matter before the polymer reaches the spinneret dies. This prevents filament breakage during high-speed nonwoven fabric extrusion.
Polymer Leaf Disc Filters with hard-rim welded construction remove sub-micron gels from polyester and polypropylene resins. This ensures ultra-clear, pinhole-free optical film extrusion for electronics and packaging applications.
Sintered stainless steel wire mesh packs filter high-viscosity polyester, polyamide, and acrylic melt prior to spinning fine fibers. Maintains precise pressure balance across spin packs.
Heavy-duty, multi-layer spot welded mesh screens and continuous belt filters handle high contamination levels in post-consumer recycled (PCR) PE/PP/PET plastic granulators and pelletizing lines.
Sintered metal fiber elements handle corrosive fluid purification, catalyst recovery, and high-temperature gas stream solids separation in primary petrochemical refining operations.
High-pressure cylinder mesh filters protect sensitive hydraulic control valves and pumps operating under continuous shock loads in industrial manufacturing plant machinery.
Technical guidance and sourcing answers from our senior filtration engineering team.
Sintered wire mesh undergoes high-temperature vacuum diffusion bonding. This process welds wire intersection points together, ensuring zero pore size deformation under extreme differential pressures ($\Delta P$), eliminating wire displacement, and dramatically enhancing reusable cleaning cycles.
The optimal micron rating depends on the end product requirements. For instance, blown film and optical BOPET films typically require 5–20 $\mu$m filtration to eliminate micro-gels, while PCR pelletizing extrusion can range from 80–200 $\mu$m depending on allowable contamination levels.
Yes. Stainless steel (SUS 304 / 316L) candle filter cartridges and leaf discs are designed for repeat reuse. Common cleaning protocols include TEG (Triethylene Glycol) vapor burnout furnaces, calcination ovens, ultrasonic bath agitation, and high-pressure solvent flushing.
We require CAD drawings or physical samples indicating key dimensions (Outer Diameter, Inner Diameter, Overall Height, Flange connection specifications), target fluid viscosity, operating temperature/pressure, fluid medium, and desired micron rating.
Every production batch undergoes ISO 4003 Bubble Point Testing to verify absolute pore rating, flow permeability testing according to ISO 4022, dimensional laser inspection, and Positive Material Identification (PMI) chemical alloy analysis.
Standard mesh discs and stock filter cartridges ship within 5-7 business days. Custom engineering orders (including prototype tooling, custom flanges, or special alloy sintering) generally deliver within 15-25 calendar days.
Select from our complete lineup of factory-direct filter mesh elements, custom pleated cartridges, and polymer melt disc filters.
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View ProductPartner directly with Pujiang HG Plastic Machinery Co., Ltd. for certified quality, custom mesh specifications, and reliable bulk global shipping.
