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Home > News > What is a LSZH network cable?

What is a LSZH network cable?

2021-01-06

Low smoke zero halogen, abbreviated as LSZH, LSOH, LSFH and OHLS, refers to the material of the outer skin of the Network Cable. In the material classification of wire sheath in the wire and cable industry, the low-smoke halogen-free network cable sheath is composed of thermoplastic or thermosetting that emits low smoke when heated and does not contain halogen.

Most of the network wire coating is composed of polyethylene, polyvinyl chloride or thermoplastic polyurethane. If it catches fire, chlorinated plastic will release toxic hydrogen chloride, and if it encounters water, it will produce hydrochloric acid. The low-smoke halogen-free materials will not release hydrogen halides or other acids during fire.

Low-smoke halogen-free materials can reduce the toxic and corrosive gases produced when they burn.
In poorly ventilated environments such as airplanes, train cars, or ships, low-smoke and halogen-free network cables are often used. Low-smoke and halogen-free materials are also commonly used in the railway industry, because there are high-voltage lines under the railway or signal lines that transmit train positions.

The use of low-smoke halogen-free materials also reduces the accumulation of toxic gases when the circuit is damaged due to fire or short circuit. Like in the railway industry or the shipbuilding industry, one of the most important requirements is to protect personnel and equipment from toxic and corrosive gases. In these occasions, low-smoke and halogen-free materials are required to be used in the outer layer of the wires and cables.

One of the selling points of low-smoke and halogen-free network cables is that few companies have deliberately emphasized low-smoke and halogen-free, unless Party A and the design unit explicitly require it. Mainly because of price factor considerations. Some small local factories do not produce low-smoke halogen-free cables.
Shenzhen Kingwire Electronics Co., Ltd. Business Type:Manufacturer Product Range:Communication Cables , Electrical Wires , Data Cables Products/Service:Ethernet Cable , Network Cable , CAT8/CAT7/CAT6/CAT6A/CAT5E , Lan Cable , Telephone Cable , Network Accessories Certificate:REACH , RoHS , ISO9001 Company Address:Building 1, No.5 Industrial Zone, Nanlian Community,Ruiji Road, Longgang Street,Longgang District, , Shenzhen, Guangdong, China Previous: Is there a good or bad difference between the network cable RJ45 connector? Next: The difference between Cat 6 network cable and Cat 7 network cable

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