Copper wire standards: NF A 51-050 / NF C 31-111

<body bgcolor="#FFFFFF" link="#000000" vlink="#000000"> <p align="center" valign="top"> <a href="../defaultgb.htm"><img src="../images/logo_petit.gif" alt="cuprofil"></a> </p> <br><br> <p align="left"> <h1>strands, twisted wires, cables, unilay, wires</h1> <img src="../images/m2_pointe-rouge.gif"><font size="3" color="black"><b>Copper wire standards : <b><br> <img src="../images/m2_pointe-rouge.gif"><font size="3" color="black"><a href="normes.htm">NF A 51-050</a><br> Cu-A1 - ISO equivalent <b>Cu-ETP copper content</b> > 99,90 %<br> Electrolytically refined copper, non deoxidized, with a guarantee conductivity<br> This kind of copper is universally use for production of wires, cables, bars and bands for electrical purpose.<br> <br> u-C1 - ISO equivalent <b>Cu-OF copper content</b> > 99,95 %<br> Desoxidized copper<br> - Ce type de cuivre est un cuivre exempt d'oxygène ou désoxydé avec trace de désoxydant résiduel.<br> This kind of copper is oxygene free or desoxidized with residual desoxidiser traces. <br>In every case, residual desoxidiser content is too small to influence conductivity.<br> It can use for electrical purpose <br> <br> <img src="../images/m2_pointe-rouge.gif"><a href="normes1.htm">NF C 31-111</a><br> french quality for wire cupper: <br> Electrical characteristics.<br> strands, twisted wires,<br> cables, unilay, wires<br> </font> </p> <p align="center"> <img src="images/titre_extraits-normes.gif" alt="standard"> </p> <p align="left"> <a href="click_produits.htm">copper wire</a>   <a href="click_presentation.htm">cuprofil</a>   <a href="click_cours_cu.htm">copper price</a>   <a href="click_contact.htm">form</a>   </p> <br><br> <p align="center"> <a href="mailto:cu@cuprofil.fr"><font size="2">cu@cuprofil.fr</font></a> </p> <br> </body>