Enhancing printing system performance with precision and control
As a global leader in inkjet reservoir media, Porex creates a wide range of products for printing systems, including the highest ink release media on the market, plus options for ink wicks, free ink vents, and 3D printer filters and diffusers.
Benefits of our printing components include:
- Customized wicking and absorption media to accommodate your printer’s specific needs
- High capacity and high-release rates within a wide range of products for a diverse range of printing systems

Ink Reservoir Media
Deliver precise control of ink absorption and release

Ink Wicks & Absorption Systems
Increase consistency of ink flow within printer

Free Ink Vents
Directly weld vents onto ink reservoir

3D Printer Filters and Diffusers
Maximize performance for your 3D printer

Ink Reservoir Media
Deliver precise control of ink absorption and release
As a global leader in inkjet printer media, Porex creates the materials with the highest capacities and ink release rates in customized shapes and sizes to meet your specific printer system’s needs.
Our ink reservoir media can be offered in complex geometries and various gradient density configurations for precise control of ink absorption and release to:
- Deliver the highest release rate on the market – Customized HRM (High Release Media) materials release from 80% – 90% of your ink for maximum cost effectiveness and customer satisfaction.
- Absorb and deliver high ink capacity–Ink management components can be customized in various shapes and sizes based on your printer’s design needs.

Ink Wicks & Absorption Systems
Increase consistency of ink flow within printer
Precisely controlled ink delivery is critical for consistent ink flow within printers. Porex creates customized ink delivery wicks, vents and retention media that ensures the proper functionality in even the most complex printer systems.

Free Ink Vents
Directly weld vents onto ink reservoir
POREX® hydrophobic and oleophobic vents allow free ink systems to ventilate while repelling ink. Designed to meet your specific printer’s needs, our free ink vents can be directly welded onto the ink reservoir. The robust sintered POREX Virtek® PTFE structure can be handled and processed using standard assembly methods without compromising material structure or performance.
Typical Membrane Properties and Ratings | |||||||||
---|---|---|---|---|---|---|---|---|---|
Material | IP Rating † | WEP mbar | Airflow l/hr/cm2 @70mbar | Filtration Efficiency** >99.99% | Thickness (mm) | Max Operating Temp °C | Salt Fog1 | Hydrophobic | Oleophobic |
PMA10 | 64, 67, 68 | 370 | 75 | 0.4 μ | 0.18 | 260 | No Pen. | Yes | Yes |
PMA15 | 65, 67, 68 | 520 | 25 | 0.1 μ | 0.25 | 260 | No Pen. | Yes | Yes |
PMA20 | 65, 66, 67, 68 | 1050 | 7 | 0.19 μ | 0.19 | 260 | No Pen. | Yes | Yes |
WEP = Water Entry Pressure |
Related Resources:
Brochure: POREX Virtek IP Rated Protection Vents
Brochure: PTFE Fact Sheet

3D Printer Filters and Diffusers
Maximize performance for your 3D printer
Porex creates a wide variety of standard and custom solutions including diffusers, air & liquid filters, wicks, vents and absorptive media to meet your 3D printing needs. Specifically designed for 3D printers, our broad portfolio of porous media solutions can meet virtually any challenging application need.