1. Wire into the plant must be stored in dry conditions, can not open welding wire coil waterproof packaging. 2. Welding shall be removed before welding surface oil, rust, water and other impurities. 3. The CO2 gas protection, CO2 gas purity 99.98%. 4. CO2 welding protective gas flow rate should be controlled at 20~25L/min. 5. Wire extension length should be controlled in the range of 15~25mm.
