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→5.1.2 Pure Copper
oxygen and also free of de-oxidizing compounds.
*) As units for electrical conductivity MS/m and m/Ω.mm<sup>2</sup> are commonly used. Frequently – and mostly in North America – the % IACS value (International Annealed Copper Standard) is also used, where 100% is equivalent to 58 MS/m or m/Ωmm<sup>2</sup> .For the description of mechanical strength properties the units of N/mm<sup>2</sup> or MPa are most commonly used:1 MS/m = 1 m/Ωmm<sup>2</sup>1 MPa = 1 N/mm<sup>2</sup>
5.1.2 Pure Copper
