... loose buffer fiber; Aramid yarn strength member FTTH 4 cores Drop Cable with FRP strength member Specificationssoft and flexible; easy to ... fiber, or other types of fiber;2, Jacket Material: Enviromental flame retardant polyvinylchloride (PVC), enviromental low smoke ... enviromental halogen flame retardant polyolefin (ZRPO), or other contracted material;3,Jacket Color: (Including color of fiber) meets ...