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High Conductivity C19010 Copper Strip Precision Electronic Shrapnel. Precipitation-hardened CuNiSi alloy, conductivity up to 50~60% IACS. Outstanding high-temperature anti-stress relaxation, stable clamping force. Fine uniform grain, excellent ultra-thin stamping & micro etching performance. Superior salt spray & corrosion resistance, fit for automotive harsh working conditions. Great bendability, good tin/gold plating & welding adhesion, easy post-processing.