Finishes for Acidic and Alkaline Dusts

For protection against acidic and alkaline dusts, needlona®-needle felts can be refined with a surface protective finish from our CS product line. 

Cross-sectional image: with CS29® treated needle felt

CS29® is a finish, which the filter media optimally protects from attacks by acids, alkalis and hydrolysis. Besides this CS29® provides excellent oil and water repellent properties. These improve the filtration performance, especially for dust collector temperatures, which are near the dew point. 

Benefits at a glance:
• Oil and water repellent 
• Excellent protection from acids, alkalis and hydrolysis 
• Higher separation efficiency

Areas of application:  e.g. in the gypsum, calcination and cement production

Remaining tear strength: with CS52 treated m-Aramide needle felt

CS52 is an acid, alkaline and hydrolysis protective finish for m-Aramide filter media with dust, oil and water repellent effect. An additional antiadhesive finish on PTFE-basis provides an improved cleaning performance. 

Benefits at a glance: 
• Excellent protection against acids and alkalis
• Improved protection against hydrolysis compared to a
  non-treated m-Aramide needle felt
• Higher separation efficiency 

 Areas of application: e.g. in the cement, clay, gypsum and lime industry