Filtration processes used for stone and soils are extremely diverse

Kayser filter media stand up to extreme conditions, high and variable temperatures, and aggressive dusts. With decades of experience, Kayser Filtertech is your reliable partner for all kinds of minerals and construction materials:

  • Cement
  • Lime
  • Gypsum
  • Coal
  • Asphalt
  • Ceramics

Your benefits

  • Reduced emissions
  • Longer service life
  • Low energy consumption

Products Services

Recommended polymers

  • Glass with e-PTFE membrane
  • Polypropylene (PP)
  • Polyester (PES)
  • Polypropylene sulfide (PPS)
  • Polyimide (PI)
  • Polytetrafluorethylene (PTFE)
  • Polyacrylonitrile (PAN)
  • Aramides
  • Mixed felts


  • road.STAR
    For asphalt mixing systems
  • carat.2
    Specialized mixed felt
  • cascade.2
    Felts with multilayer construction
  • solit.AIR
    Microfiber felts

Surface treatment

  • Singed
  • Smoothed
  • Calendered
  • Oil and water-repellent
  • Protected against acid/hydrolysis
  • KAY-TEX Filter media with laminated e-PTFE membranes
  • serie.90 PTFE Coating

Consulting & filter media

Kayser Filtertech provides optimal, comprehensive support to plant operators. Kayser selects the optimal filter medium based on system-specific parameters such as operating temperature, grain size, gas composition, volume flow rates, and many more. The bespoke suit for your system is then produced in our European fabrication facilities.


We provide complete solutions
We supplies and supports filter systems with filter hoses, filter elements, support cages, accessories, measurement and control systems, and comprehensive service.
ISO 9001/14001 Certificate
We manufacture our products according to international standards. We hold quality certification (ISO9001) and environmental certification (ISO14001).
1,100,000 filter bags and 250,000 filter cages per year
We custom manufacture more than 1,100,000 filter bags and 250,000 filter cages of various diameters, lengths, and materials each year.

Do you have a specific project?

Kayser® Filtertech Group, a world leader in the production of filtering systems, is able to provide you with custom solutions that are based on your design specifications. You can also count on our experienced technical assistance and supervision services, both during installation and subsequent maintenance.