About this item Used for EMI shielding and cable wrap applications Suitable for applications requiring excellent electrical conductivity Deadsoft 1 oz copper foil backing resists oxidation and discoloration Excellent solder ability 3M Preferred Converter: TapeCase is a 3M Preferred Converter; 3M has partnered with TapeCase to make their products available in a larger assortment of sizes, so that customers can use the tape in a variety of applications.