The Recycled Polyester Stainless Steel Melt Filter Cartridge is an innovative multilayer composite filtration medium, combining environmentally friendly recycled polyester fibers with a precision stainless-steel support structure. Designed specifically for high-temperature, high-viscosity melt filtration, this product delivers exceptional filtration performance while actively supporting global circular economy initiatives and reducing carbon footprint.
Filtration Layer: 100% recycled polyester fibers arranged in a three-dimensional mesh structure via specialized processing; fiber diameter range: 1–50 μm; porosity exceeding 85%
Support Structure: 316L stainless steel precision woven mesh, providing high mechanical strength and pressure resistance up to 5 MPa
End Caps & Seals: Stainless steel end caps with high-temperature resistant sealing rings ensure leak-free connections
Structural Design: Graded density gradient design enables depth filtration, increasing dirt-holding capacity by 40%
Filtration ratings: 1 μm, 5 μm, 10 μm, 25 μm (multiple options available)
Low initial pressure drop with long-term operational stability
β-value ≥ 1000 (at rated filtration efficiency)
Use of recycled polyester reduces consumption of virgin petroleum resources
Carbon footprint reduced by 35–50% compared to conventional cartridges
Extended service life (up to 1.5× longer than standard cartridges), minimizing waste generation
Temperature resistance: continuous operation from –40°C to 280°C
Chemical resistance: withstands most organic solvents and weak acids/alkalis
High mechanical strength, resistant to pressure surges and flow fluctuations
Plastics Industry: Filtration of polymer melts such as PET, PA, PP, PE
Chemical Fiber Industry: Precision filtration of spinning melts
Recycling: Purification of recycled plastic pellets
Food-Grade Applications: Production of food packaging materials compliant with FDA regulations
Pre- and post-filtration for melt gear pumps
Extruder production lines
Spinning systems
Polymer reactor outlet filtration
