Specifications: 1. Main use: widely used in condenser,evaporators, refrigerators, air conditioners, automobiles and heaters 2. Features: high intensity, good plasticity, and small resistance 3. Standard: ASTMA254-94 4. Materials: materials can be altered according to customers' requirements 5. Outer diameter: 4.0mm-12.70mm 6. Wall thickness: 0.5mm-1.2mm 7.Packing: Seaworthy packing