Finish for Sparks

Especially in metallurgical processes, hot, sometimes burning particles come into contact with the needle felt. The product lines FireGuard®, PyroGuard and BlockGuard protect the filter media from these dusts.

Surface image: with FireGuard® treated needle felt

FireGuard® is a high-tech p-aramide surface finish. It increases the resistance of the needle felt to flying sparks. FireGuard® also offers excellent resistance to abrasion and mechanical wear. 

Benefits at a glance:

  • Protection from flying sparks 
  • Thermally resistant even at high contact temperatures 
  • Extended operational life


 Areas of application: e.g. in the metalworking industry and in the non-ferrous metal industry 

Cross-sectional image: with BlockGuard treated needle felt

BlockGuard consists of a layer of spark resistant Preox-Fibres. It is mainly used on Polyester-needle felt and offers a solution for occasional sparks in the raw gas stream of the dust collector.  

    Benefits at a glance:
  • Basic protection from occasional sparks 
  • Very good price-/performance ratio 
  • Excellent pressure loss 

Areas of application: in particular for dedusting in the metalworking industry and non-ferrous metal industry