Specification: Brand: Mssoomm Material: 99% Copper T2 Cu Metal Size: thickness 3mm/ 0.118 inch，width 20mm/ 0.787 inch，length 1000mm/ 39.37 inchAdvantages and Applications: It has good conductivity, thermal conductivity, plasticity, and corrosion resistance.Copper bar is a high-current conductive product, suitable for high and low voltage electrical appliances, switches, power distribution equipment, buss ducts, etc.It is also widely used in fields such as electronics, construction, refrigeration equipment, automobiles, aerospace, and rail transit.Attention:1.Our product defaults to round edge copper bars, if you need rectangular copper bars, please let us know.2.We could process the bar, including bending, cutting and punching, please message us.3.If oxidation blackening occurs, please do not worry, it does not affect the use. You can prevent oxidation by keeping the storage environment ventilated and dry.