Physically, PVC and LSZH are very different. PVC are very soft; LSZH are more rigid because they contain the flame retardant compound, and they are aesthetically more pleasing. A PVC cable (made of polyvinyl chloride) has. Physically, PVC and LSZH are very different. PVC are very soft; LSZH are more rigid because they contain the flame retardant compound, and they are aesthetically more pleasing. A PVC cable (made of polyvinyl chloride) has a jacket that gives off heavy black smoke, hydrochloric acid, and other toxic gases when it burns. Low Smoke Zero Halogen (LSZH). 2 Core FTTH Drop Cable GJXFH SM 9/125 OS2 G657A1 or G657A2 with 2 FRP in Parallel As Strength member LSZH Sheath Butterfly Flat- Figure 8 Cable FRP With Two parallelFiber Reinforce Plastic (FRP) strength members with LSZH sheath and 1 or 2 or 4 or. Optical fiber unit is positioned in the center. FTTH indoor cable because of Fiber Type Singlemode G.Package 1 is usually for indoor, light weight cables.wight around 10Kg/Km(1 km Dram or 2 Km Dram) Package 2 is usually for outdoor, heavy weight cables. we only attach Test Report on the out package of the cable, but we could also mark as your requirementsGJXH (Metal strength member, LSZH jacket, Non Self-Supporting) GJXDH (Optical fiber ribbon, Metal strength member, LSZH jacket, Non Self-Supporting) GJXFH (Non-metal strength member, LSZH jacket, Non Self-Supporting) GJXFDH(Optical fiber ribbon, Non-metal strength member, LSZH jacket, Non Self-Supporting).