<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>application</td><td>Aviation, electronic power, machinery</td><td>material</td><td>Copper / Copper Alloy</td></tr><tr><td>welding current</td><td>DC/AC</td><td>operating temperature</td><td>softening temperature ≥900</td></tr><tr><td>product name</td><td>Tungsten copper</td><td>purity</td><td>high purity</td></tr><tr><td>Density</td><td>13.8</td></tr></tbody></table>