What is LSZH?

LSZH stands for low smoke zero halogen and describes a kind of conduit or cable jacket material that is non-halogenated and flame resistant.

If a conduit is LSZH (Low Smoke Zero Halogen), it is often referred to as HFT（Halogen Free Tubing）, and is used primarily in tunnels, theaters, shopping centers and anywhere there is a large public presence. The product does not produce toxic fumes or gases and does not release toxic halogens.

In case of fire, halogens generate toxic smoke. The low smoke halogen free conduit system eliminates this hazard. PVC contains halogen chlorine and is never halogen-free.

Yes, all LSZH conduits and fittings can be used in outdoor projects. Ctube LSZH products are UV-resistant.

Yes, all the Ctube LSZH conduits, junction boxes, and fittings are made of halogen-free material.

The temperature range of Ctube LSZH conduit spans from -45°C to 120°C (-49°F to 248°F).