Kayser Filtertech – the best choice for any construction material

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

Our services

  • Individual filter media selection
  • Customized product
  • Professional installation & service
  • System monitoring & inspection
  • Lab analysis

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.

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

Support cages

We build our own support cages for the perfect hold. At our location in the Czech Republic, we produce the right support cages from various types of steel and stainless steel, with plant-specific surface finishing.

Installation and service

Our experienced service team will be happy to take care of everything else from here! The scope of services of our TASK team includes:

  • Removal and re-installation of filter media
  • Inspection of filter systems
  • HEC cleaning (High Efficiency Cleaning of installed filter elements)
  • Review work
  • Leakage tests with KAY-Glow® UV tracer powder
  • Measurements (differential pressure, air-permeability, qualitative dust measurement, volume flow …)
  • Lab analyses of new and used filter media