KLINGERSIL® C-4400

Characteristic & main applications

Universal high-pressure gasket material suitable for use in many branches of the chemical, food and the water supply industry. Very high standard of performance. Resistant to oils, water, steam, gases, salt solutions, fuels, alcohols, organic and inorganic acids, hydrocarbons, lubricants and refrigerants.

Material

Aramid fibres bonded with NBR

 

  1. In area one, the gasket material is normally suitable subject to chemical compatibility.
  2. In area two, the gasket materials may be suitable but a technical evaluation is recommended.
  3. In area three, do not install the gasket without a technical evaluation.

 

Technical Data – Typical values for 2 mm thickness.

  • Compressibility ASTM F 36 J : 11%
  • Recovery ASTM F 36 J min. : 55%
  • Stress relaxation DIN 52913
    • 50 MPa, 16 h/175 °C : MPa 32
    • 50 MPa, 16 h/300 °C : MPa 25
  • Stress relaxation BS 7531, 40 Mpa,16 h/300 °C : MPa 23
  • Klinger cold/hot compression, 50 MPa
    • thickness decrease at 23°C : 10%
    • thickness decrease at 300°C : 20%
  • Tightness accDIN 3535/6, mg/sm : 0.02
  • Thickness increase ASTM F 146
    • oil JRM 903, 5 h/150 °C : 3%
    • fuel B, 5 h/23 °C : 5%
  • Density g/cm3 : 1.60
  • Meets the technical requirements of BS 7531:2006 Grade AY