What is LSZH Sheath in Fiber Optic Cable?
LSZH is Low Smoke Zero Halogen for short. LSZH has been widely applicated in cable jackets,specially when the fiber optic cable been installed indoor or some specially environment. What are halogens and why are they dangerous? Halogens are a group of highly reactive elements including fluorine, chlorine, bromine, iodine and astatine. When products containing halogens are burned, they produce very dangerous gasses. Public awareness of these dangers began after several tragic fires claimed the lives of victims who inhaled deadly halogenated fumes. Several fires, including those at the Beverley Hills Supper Club, London's Kings Cross Underground Station and Germany's Düsseldorf Airport, have lead to important changes that significantly limit where cables containing halogens may be used. Many organizations, local authorities and governments have undertaken broad initiatives to eliminate the production of halogenated material. In Asia, the United Kingdom and many European c...