Customized SS304 Polymer Melt High Filtration Area Filter 44*92 from China Manufacturer

Product Description

The Custom Polymer Melt Filter Element 44×92 is specially designed for the filtration of high-viscosity polymer melts in extrusion, fiber spinning, film production, and plastic processing systems. Manufactured from high-quality stainless steel woven mesh media, this filter element effectively removes gels, carbonized particles, metal contaminants, and other impurities from molten polymers, ensuring stable production and superior product quality. Its robust all-metal construction provides excellent resistance to high temperatures, high pressure, and corrosive processing environments. of fibers, films, sheets, and molded plastic products. service life and reduced maintenance costs

Technical Parameters


Polymer Melt Filter Elements are widely used in plastic extrusion, chemical fiber spinning, film production, nonwoven manufacturing, polymer compounding, recycling systems,
 petrochemical processing, and engineering plastics production. They effectively remove contaminants from high-temperature polymer melts, ensuring product quality, 
 protecting processing equipment, and improving production efficiency.

Parameter	Specification
Filter Media	Stainless Steel Wire Mesh / Sintered Mesh
Material Grade	SS304 / SS316L
Filtration Rating	1-300 μm (Customizable)
Filtration Efficiency	≥99.8%
Operating Temperature	-20°C to 400°C
Maximum Differential Pressure	2.0 MPa
Connection Type	Threaded / Flange / Customized
Seal Material	Viton, PTFE, Silicone (Optional)
Cleaning Method	Backwashing, Ultrasonic Cleaning, Chemical Cleaning
Reusability	Washable and Reusable

Product structure



1. End Caps
►  Material: SS304, SS316L
Provide sealing and connection.
Customized threaded, flange, or quick-connect interfaces available.

2. Filtration Layer
Core filtering component.
Materials:  Stainless Steel Weave Mesh, Sintered Wire Mesh
Filtration Rating: 1μm – 300μm
Removes gels, black specks, contaminants, and unmelted particles from polymer melts.

3. Inner Support Core
Perforated stainless steel cylinder.
Provides mechanical support under high-temperature and high-pressure operation.

4. Sealing Components
♦  Metal gasket  ♦ Graphite gasket
♦ PTFE seal ring ♦ Customized according to operating conditions.

Related Products

Melt filter elements are designed to remove gels, black specks, unmelted particles, and other contaminants from polymer melts. Widely used in extrusion, spinning, blow molding, film blowing, sheet extrusion, and other polymer processing applications.

Working Principle of a Polymer Melt Filter Element

A polymer melt filter element is designed to remove contaminants, gels, unmelted particles, carbonized materials, and other impurities from molten polymers during the extrusion, spinning, film, sheet, and compounding processes. It ensures product quality, protects downstream equipment, and improves production efficiency.

1. Filtration Process

When the polymer melt is pumped through the filtration system under pressure:

Molten polymer enters the filter housing through the inlet.
The melt flows through the multi-layer filter media (such as stainless steel woven mesh, sintered mesh, or fiber metal felt).
Solid contaminants larger than the filter's pore size are captured on the filter surface or within the filter layers.
The purified polymer melt passes through the filter element and exits the system for further processing.

2. Contaminant Retention Mechanisms

The filter element removes impurities through several mechanisms:

Surface Filtration: Larger particles are trapped on the outer surface of the filter media.
Depth Filtration: Smaller contaminants are captured within the multiple layers of the filter structure.
Adsorption and Interception: Fine particles and gels are intercepted as the melt flows through complex pore channels.

3. Pressure Differential Monitoring

As contaminants accumulate:

The pressure drop across the filter gradually increases.
When the differential pressure reaches a preset value, the filter element should be cleaned, replaced, or switched to a standby filter.
This prevents excessive pressure buildup and maintains stable production.

4. Benefits of Melt Filtration

✔ Improves product surface quality

✔ Reduces black specks and gel defects

✔ Protects extrusion dies and spinning nozzles

✔ Enhances production stability

✔ Extends equipment service life

✔ Reduces downtime and maintenance costs

Key Advantages

1. Multi-Layer Filtration Construction

An optimized multilayer stainless steel mesh structure ensures precise particle retention and extended service life.

2. High Temperature Resistance

Capable of continuous operation up to 480°C, suitable for polymer melt processing applications.

3. High Mechanical Strength

Reinforced support core withstands high differential pressure during extrusion and spinning processes.

4. Excellent Corrosion Resistance

Manufactured from premium stainless steel materials for compatibility with various polymers and additives.

5. Customizable Design

Available in customized dimensions, filtration ratings, end caps, interfaces, and sealing configurations.

Advantages

We have over 20 years of export experience, serving clients in more than 100 countries. We operate expansive production facilities with multiple specialized zones, enabling us to deliver tailored solutions that address each client’s unique production challenges. Our advanced automated production lines ensure consistent quality at high volumes, from precise raw material selection to finished housings. Built on responsibility, professionalism, and integrity, Topep has earned the trust of customers worldwide.

Customized filters for every application—end caps, interfaces, skeletons, filter media, and seals are all fully configurable to meet your specific needs. We are dedicated to innovation and excellence. Our stable and efficient production lines are backed by proprietary patents, CE and ISO 9001 certifications, a comprehensive production management system, and rigorous quality inspection protocols. We specialize in designing high-performance filter elements that deliver reliability, precision, and long-lasting performance.

Boasting a state-of-the-art production facility covering 26,000 square meters, our advanced manufacturing capabilities include CNC lathes, laser cutting machines, sintering furnaces, spot welders, pleating machines, air filter paper folding machines, automatic mesh assembly machines, spiral mesh winding machines, strapping machines, spiral cage buckle machines, ring rolling machines, filter element welding machines, and laser marking systems.

Our state-of-the-art production facilities, combined with a team of highly skilled engineers, ensure that every filter is designed and manufactured with exceptional precision and reliability. Through rigorous quality control protocols, we guarantee consistent performance and long-lasting durability across all our products. Topep provides customized filtration solutions that meet the highest industry standards, serving a wide range of applications worldwide.

Company Description



Henan Top Environmental Protection Equipment Co., Ltd. is a professional manufacturer specializing in filtration industry. Based in Xinxiang, Henan, China, the company operates a modern facility covering 26,000m², with strong manufacturing and in-house R&D capabilities.

Our products include hydraulic oil filters, sintered metal filters, air dust collection filters, and water treatment solutions, widely used in energy and industrial 
applications.We serve over 7,000 customers worldwide, with exports to Europe, North America, the Middle East, Southeast Asia, and Africa.

Driven by technology and committed to quality, Henan Top continuously enhances its manufacturing and service capabilities, aiming to build a globally competitive filtration brand.

FAQ

Q1: Can melt filter elements be cleaned and reused?

A1:Yes. Most stainless steel melt filter elements can be cleaned using:

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♦ Thermal cleaning
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♦ Ultrasonic cleaning
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♦ Chemical cleaning
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♦ Backflushing methods
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Q2:How do I choose the correct filter element?

A2:Please provide:

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► Polymer type
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► Operating temperature
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► Flow rate
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► Filtration rating
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► Working pressure
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► Filter dimensions
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Our engineers can recommend the most suitable solution.

Q3:How Long Does a Melt Filter Element Typically Last?

A3:The service life depends on:

1. Polymer cleanliness
2. Contamination levels
3. Filtration rating
4. Operating pressure
5. Cleaning frequency

Under normal conditions, stainless steel melt filter elements can be cleaned and reused multiple times, significantly reducing replacement costs and improving overall return on investment.