Product material: inner layer-adopting galvanized steel band with special insulation treatment outer layer- adopting PVC raw material (anti-UV, anti-aging)Working temperature: -10°C +80°C, instantaneously can be +100°CProperty:1. The flexible pipes have extremely good waterproof, insulating and pull resistance. 2. The thickened surface is made of PVC.The surface is smooth.The PVC plastic is added with fire retarding agent. 3. The structure is buckle structure, which enhances the pull resistance and is not liable to crack or deform. 4. Extremely soft with good bending performance. The inner smoothness makes the entry of wires very easy.Application: Used for wire protection at railways, engines, traffic system engineering, air-conditioners, various machineries,power plants, chemical industries, power distribution system, communication system, vessels, mansions, factory buildings as well as the outdoors’ exposed locations.Usage: protecting wires/cables and provide insulation and waterproofing performance.How to use: Put the wires/cables through the pipes before fitting correspondent type of HB-DPJ joints.