... firm,strong security barbed wire -- factory (pvc coated, galvanized, stainless steel) Materials: Galvanized steel wire, PVC coated iron wire in blue, green, yellow ... against corrosion and oxidation caused by the atmosphere. Its high resistance allows greater spacing between the fencing posts.Specifications of ... barbed wire : Security Barbed Wire -- Factory (pvc coated, galvanized, stainless steel)