ZHFR or LSZH(Low smoke zero halogen) Cables

Low smoke zero halogen cable, commonly referred as LSZH reduces the amount of toxic and corrosive gas emitted during combustion. It is made of copper, aluminium etc and insulated with PVC, XLPE etc. The length of the cable ranges from 1m, 2.5m, 4.6m, 8.1m etc. It is suitable for poorly ventilated areas such as aircraft, rail cars or ships.

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Detailed Description for ZHFR or LSZH(Low smoke zero halogen) Cables

 

         Low smoke zero halogen or low smoke free of halogen (LSZH or LSOH or LS0H or LSFH or OHLS) is a material classification typically used for cable jacketing in the wire and cable industry. LSZH cable jacketing is composed of thermoplastic or thermoset compounds that emit limited smoke and no halogen when exposed to high sources of heat.

         Most network cables are insulated with polyethylene, PVC or thermoplastic polyurethane. In a fire, a chlorine-containing plastic material releases hydrogen chloride, a poisonous gas that forms hydrochloric acid when it comes in contact with water. Designated halogen-free cables, on the other hand, do not produce a dangerous gas/acid combination when exposed to flame. However, gases produced by all burning materials—whether LSZH or not—are extremely toxic.

 

                                                        


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