... , and the cable is compieted with a PVC or LSZH (Low smoke, Zero halogen, Flame-retardant ) jacket. Features:1. Tight buffer fiber ease of ... :l Jacket material: PVC (Environmental lame-retardant polyvinylchloride), LSZH (Environmental low smoke zero halogen flame retardant polyolefin), or other customerized material.l Jacket color ...