Shaoxing Yuxun Lightning Protection Technology Co., Ltd.| Manufacturer
Shaoxing Yuxun Lightning Protection Technology Co., Ltd.

China Manufacturer with main products: Copper Bonded Ground Rod/Earth Rod, Strand Wire, Exothermic Flux, Cad Mold, Copper Tape, Bus Bar, Clamp, Observation Well

Cad Mold

FOB Price: 1.00 - 10.00 USD/Piece
Supply Ability: 100,000 Piece/Pieces per Month
Payment Terms: L/C, T/T(Bank Transfer), D/P
In Stock
Place of Origin: Zhejiang in China
Packaging Details: in bag


Exothermic welding is a simple, high efficiency and high quality method of metal connecting.
Yuxun exothermic welding uses high temperature reaction of powdered copper oxide and aluminum. The chemical equation is 2Cu2O+2Al=6Cu+Al2O3 ( the temperature can be in excess of 2500°C.) It is a method of welding copper, iron, steel and ferroalloy without outside power.
In order to weld different sizes conductor, a graphite mold is needed. It is only to put the conductor need welding in the mold, dump powder into the mold, ignite the starting powder, than the reaction takes place. Open the mold when it is cold, thus the conductor connection is finished. We supply different connections and the matched mold and welding powder.
Good current loading ability
The welding point current loading ability is the same as conductor.
Good mechanical performance
The connection is a molecular connection. It is a permanent connection.
Stable dash current resistance
The test shows that in the surge of big current in short time, the conductor melts earlier than the connection point, so it will not be damaged by surge current.
Good resistance to corrosion
The welding point is covered by copper, it provides good resistance to corrosion.
Simple and safe connection
Neither outside power nor facility is required. It requires very little time to finish one welding. It can be done both indoor and outdoor.
Free control the reaction temperature
Different welding powder is provided according to the metal features, so the welding powder can be very solid.
Range of application
It is widely used in lightning protection and grounding and surge protection projects, equipment grounding, petrochemical projects, airport and expressway construction.

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