High Viscosity Filter Element​

High viscosity filter element is belong to membrane filter cartridge. It adopts multi-layer Nano fiber PP membrane, which can efficiently intercept the particles in colloid, suitable for liquid filtration with high viscosity and high solid content. 

  • Filter Media: Nano-fiber Polypropylene (PP)
  • Cage/Core/End Cap: Polypropylene (PP)
  • Seal material: EPDM, Viton, FEP
  • Maximum Operating Temperature: 80℃
  • Maximum Operating Temperature: 4bar@21℃ / 4bar@80℃
Flow Rate
500 GPM
Micron Rating
5, 10, 25 μm
Max Temperature
up to 80°C

The multilayer Nano-fiber PP filter membrane effectively intercepts particles in colloidal liquids, making it ideal for filtering high-viscosity fluids with high solid content.

Filtration efficiency reaches 99.99%, ensuring consistent product quality. The multi-layer membrane structure combined with high-strength support materials allows the cartridge to withstand demanding high-viscosity filtration conditions.

Each cartridge is 100% flushed with deionized water before delivery to guarantee cleanliness. Typical applications include ultra-precision filtration of colloidal substances and high-viscosity, high-solid-content fluid streams.

Our production and clean-room facilities, along with modern aseptic laboratories, ensure consistent product quality and extended service life.

Based in Shanghai, we are a specialist manufacturer integrating R&D, production, and sales of micro-membrane filtration, high flow filters, pleated water filters, string wound filter cartridges, melt-blown filter cartridges, stainless steel filters, and stainless steel filter housings.

The pleated filter cartridge — also known as a pleated water filter or pleated sediment filter — is one of our core products. PULLNER manufactures pleated cartridges to strict quality standards for long service life and lower cost-per-run.

Our pleated water filters use polypropylene (PP) membrane with non-woven fabric or PP mesh support layers. The outer cage, center core, and end caps are joined by thermal welding — no glue, no leakage, no secondary contamination.

Filtration ratings from 0.1µm to 60µm. Lengths of 10", 20", 30", and 40" with a range of connection adaptors. The pleated design provides low differential pressure, high flow rate, and long service life, making it an excellent choice for pre-filtration. The all-polypropylene structure provides stable performance and wide chemical compatibility.

The integral 20", 30", and 40" designs feature a one-piece outer PP cage for greater filtration area, higher strength, and longer service life.

Why Choose Pullner Filter?

More than just a supplier – we’re your technical partner in filtration solutions

Laboratory and Testing Facilities

In-house testing capabilities for materials and quality assurance with advanced equipment and certified technicians.

  • Particle counting analysis
  • Pressure drop testing
  • Material compatibility testing

Design and R&D Services

Position as technical partner, not just supplier. Custom solutions for your unique challenges.

  • Custom filter design
  • System optimization
  • Technical consultation

Free Services

Comprehensive free services to support your filtration needs without any hidden costs.


  • Free testing for filtration systems
  • Free custom filtration design
  • Up to 2 free samples

Global Manufacturing

State-of-the-art manufacturing facilities with worldwide delivery capabilities and local support.

  • ISO 9001 certified facilities
  • Global logistics network
  • Local technical support
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