Innovative Low Smoke Zero Halogen Compounds for Fiber Optic Cables

Innovative Low Smoke Zero Halogen Compounds (LSZH) for Fiber Optic Cables | European CPR

In this week's blog, we are discussing the SACO AEI Polymers solutions for fiber optic cables, which are used for the new European construction product regulations (CPR.) These regulations took effect on July 1st, 2017.

European CPR EN50575: A Basic Understanding

• Affects all cables installed in hospitals, airports, commercial premises, residential, and transit. 
• Measures 6 criteria under fire conditions:
• Total heat release
• Peak heat release
• Fire growth rate
• Smoke production
• Flaming droplets
• Acidity 
• Cable Classifications: High to Low
  • B2ca
  • Cca
  • Dca
  • Eca
  • Fca
• The required classification is determined by installation location and the particular country adoption of CPR.
• B2ca and Cca are the most sought after and challenging classifications. 
• The independent testing lab cab be crucial to pass or fail. 
• High oxygen index is overrated.
• Ability for a fast CHAR and reduced flame spread is crucial.
• Balancing the performance of a compound in all 6 criteria is challenging.
• Miss one area, and you drop down to the next CPR class.
• Cable design plays a very significant role in pass or fail.
• No compound manufacturer can promise a special CPR rating.

Learn More About LSZH Compound Solutions 

Look out for our next blog to learn more about our product solutions to help with LSZH for fiber optic cables. Likewise, you can contact us with any questions to learn more!