Pvc Coated Barbed Wire 1.Material:low carbon steel wire 2.Barb length:1.5-3cm 3.Barb Distance:7. ... the ISO9001,ISO14000 certificates.Materials : High quality low carbon steel wire, PVCwire. We get all kinds of colors, so we could ... boundaries, railway, highway, etc.we also have the razor blade wire. Different spe cifications could cater for your need PVC coated barbed wire