:( Inner stainless steel explosion-proof conduit) made of galvanized steel and special insulation treatment (middle) with PVC materials (anti-UV, anti-aging) (outer) stainless steel wire materials (anti-shielding, electromagnetic, wear resistance, anti-burst protection, anti-aging) Color: Silver Operating temperature: -10 ℃ ~ + 120 ℃ up to + 150 ℃ Short Features: 1, the hose has excellent waterproof, explosion, insulation resistance, tensile strength. 2, the surface layer of thick PVC, smooth appearance, and PVC plastic is added with fire retardant 3, the structure is buckle to increase the tensile strength, not easily broken or deformed. 4, with a super-soft and excellent bending properties, internal structure when worn smooth wires very easily. Application: railway, locomotive, transportation systems engineering, air conditioning, machinery, power plants, chemical, power transmission and distribution systems, communications systems, ships, buildings, plant and outside exposed wiring protection uses part of: the protection of wire and cable and reach insulation and waterproof.