Fire protection characteristics for UCDATA® Category Cables

News 5

table

 

Test method C passed

A cable bundle is exposed to a 20kW flame for 20 minutes in a 4 meter high cabinet. The cables burn within the range of the propane gas flame (up to 1 meter), however, the cable bundle extinguishes itself and the remaining cable length remains without damage: No fire propagation, no excessive smoke development which would, in case of emergency, obstruct chances to escape. For comparison: Under the same condi­tions, some PVC cables burn completely within 5 minutes over the entire length.

 

Safety

Highest precautionary measures as to the cabling apply at crowded places (e.g. hospitals, airports, schools, de­partment stores, hotels), in buildings with a high concentration of commodity values and wherever a breakdown would involve high expenses (e.g. industrial plants, power stations, EDP centres, banks) as well as in alarm, signal and control systems.

 

Material of the future

Currently, the application of fluori­nated polymers as insulation material is under discussion. It is known for its extremely high thermal stability and flame retardance. However, in case of emergency this material releases highly toxic and corrosive fire gases despite the considerably improved fire resistance compared to PVC. Also in future, only LSHF materials represent a responsible alternative.

 

Source: Draka UC Data Cable brochure

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