The custom polymer melt filter element is a precision‑engineered cylindrical filter cartridge designed and manufactured for the demanding environment of polymer, polyester, and plastic melt processing. This compact high‑performance candle‑type filter element is built to fit seamlessly into your existing screen changer, continuous polymer filter , spin pack assembly, or extrusion system.
Within a polymer filtration system, the molten polymer enters the filter housing, flows through the candle‑type element (typically outside‑in), and exits as clean melt. Particles larger than the rated micron size are retained on the surface or within the media depth, while gels, carbonized particles, and other contaminants are prevented from reaching spinnerets, dies, or downstream equipment.
| Outer diameter | 44 mm |
| Height | 92 mm |
| Connection | Customized |
| Filter layer | 304/316 Stainless steel |
| Filtration rate | Customized |
| Customized | Yes |
| Origin | Henan, China |
Note: Exact parameters depend on the specific media grade, layer count, and application requirements. Huahang Filter’s engineering team can design the optimal specification for each customer’s unique polymer type, throughput, and cleanliness targets.
The custom polymer melt filter element is engineered for critical polymer processing applications requiring absolute filtration, thermal stability, and long service life.
Primary Applications Include:
Fiber & Filament Spinning: Melt filtration prior to spinnerets for nylon , polyester , polypropylene , and other specialty fibers.
Sheet, Film, and Blown Film Extrusion: Protecting dies, improving clarity, and preventing defects in packaging films, agricultural films, and industrial sheets.
Compounding & Masterbatch Production: Removing gels, carbonized particles, and filler agglomerates to ensure uniform dispersion and product quality.
Precision Injection Molding: Ultra-clean melt for medical components, electronic parts, and high-quality consumer goods.
Hot Melt Adhesives: Filtration of molten adhesives to prevent nozzle clogging and ensure consistent application.
Recycling & Reprocessing: Removing contaminants from post-consumer and post-industrial polymer streams.
At Huahang Filter, we combine advanced material science with precision manufacturing to create filtration components that perform reliably under the combined assault of high temperature, high pressure, and aggressive chemistry. Our polymer melt filters are built not as commodities, but as integral, high-reliability components of your production line. Operating from our modern 26,000㎡ ISO-certified facility, we serve clients in over 120 countries, with exports accounting for more than 80% of our business.
Factory‑Direct Custom Manufacturing: Every element is designed and produced in our ISO 9001 certified facility. No brand markups, no intermediary costs.
20+ Years of Filtration Engineering Expertise: Since 2003, Huahang has specialized in polymer melt filters, wire mesh filtration, and high‑temperature applications. Our engineers understand the unique challenges of polymer processing.
Wide Material and Mesh Selection: SS304 and SS316L as standard, with other alloys available. Various mesh counts and multi‑layer configurations to optimize for your specific polymer and contamination level.
Complete Customization with Low MOQ: Any diameter, any length, any micron rating , any interface type. No minimum order quantity barriers—from a single prototype to production quantities.
Cleanable and Reusable: The woven mesh construction supports thermal, ultrasonic, and solvent cleaning. Multiple cleaning cycles reduce long‑term consumables cost.
ISO 9001 Certified Quality: Raw material inspection, in‑process quality control, and final dimensional verification ensure consistent, reliable performance.
Huahang Filter supports full customization of the Polymer Melt Filter Element and other melt filtration products:
Q: Is the polymer melt filter element cleanable and reusable?
A: Yes. All metal construction supports backwashing, thermal decomposition (burn‑off in a controlled furnace), and ultrasonic cleaning. The element can be reused many times, significantly reducing long‑term costs.
Q: Are polymer melt filters compatible with all extruders?
A: Most are compatible, but proper sizing and pressure drop considerations are necessary for each extruder type.
Q: How to select the right polymer melt filter element?
A: Consider polymer type, melt temperature, viscosity, filler content, and chemical resistance to choose the correct filter material and mesh.
Q: Can melt filters be used for filled or reinforced polymers?
A: Yes, but high filler content requires wear-resistant materials like sintered metal, Inconel, or ceramic filters.
