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ESCOLTRIX ARDO Weld Exothermic Weld
The Ardo Weld electrical connection process is a simple, efficient method of welding copper to copper or copper to steel and no outside source of power is required using Ardo Weld. Ardo Weld connections use high temperature of reaction of powdered copper oxide and aluminum. The reaction takes place in a semi permanent graphite mold (Ardo Mold) that last for fifty or more welds, if properly cared for. The Ardo Weld reaction takes place in a very few seconds, therefore the total amount of heat applied to the conductors or surfaces is considerably less than that employed in brazing or soldering. This is an important consideration when welding to insulated cable or thin wall pipe. Ardo Weld is ideal for field use, since it is light and portable and requires no outside power source. It requires very little time or skill to obtain an efficient, maintenance free electrical connection when using Ardo Weld.
Ardo Weld Connection
The Ardo Weld connection is a molecular weld. The weld metal has the same melting point as copper. Because of these factors along with the increased cross section of the connection, Ardo Weld connections:
1. Will not be affected by a high current surge. Tests have shown that the electrical conductor will melt before the Ardo Weld connection when subjected to high short circuit current. Consult I.E.E.E. Standard 837-1989.
2. Will not loosen or corrode at the point of weld. There are no contact surfaces or mechanical pressures involved. An Ardo Weld connection becomes an integral part of the conductor.
3. Have a current-carrying capacity equal to or greater than that of the conductors. Ardo Weld equipment has been used to weld materials other than copper for electrical purposes.
Materials welded have included:
Stainless Steel, Copper Clad Steel, Steel Rail, Brass, Plain Steel, Bronze, Galvanized Steel Wrought Iron and Cast Iron.