What Exothermic Welding works ? (Exothermic Welding in The Philippines)

Exothermic Welding ?


Exothermic welding is most commonly used for permanently joining copper conductors or Copper Tapes / Copper Strips. It is the only acceptable means of bonding copper to Copper cable.  Lightning protection and grounding systems require connections that maintain current carrying capacity exceeding that of the conductors used in the system. AMIABLE connections provide higher fusing capacity than the conductors to which they are bonded. It can also be used to Joint not only Copper but also Stainless steel, Cast iron, steel, Brass, Bronze, and other similar metals. For joining two dissimilar metals, exothermic welding is a good option. AMIABLEWELD meets these challenges and delivers assurance. 

We Manufacture Exothermic Welding Powder and Exothermic Welds Graphite Mold and Supply and Provide Exothermic Welding Services also in The Philippines - Quenzon City, Manila, Davao City, Caloocan, Cebu City, Zamboanga City, Taguig, Antipolo, Pasig, Cagayan de Oro.



To view our Certificate please click here : E-Certificates Of Exothermic Welding

How Exothermic Welding is Performed ?



We as AmiableWeld are one of the biggest and largest Manufacturer of Exothermic Weld Powder and Exothermic Welding Graphite Mold in India and supply in overseas market. Our Exothermic Welding have passed all stringent test successfully as per IEEE 837 -2002 Earthing Substation Welding Standard. Our Products are ISO Certified and we are also awarded ISO 9001:2008, ISO 14001, ISO 18001 and our products are also CE and ROHS Compliance. We follow GMP as per International Standard.


Exothermic welding is also known in the Market with different brand names such as AMIABLEWELD, CADWELD, ERICO, EXOWELD, KUMWELL, FURSEWELD, THERMOWELD, AIWELD, KINGSWELD, THERMIT WELDING / THERMITE WELDING.







For more details in regards to Accessories please click here


Process of Exothermic Welding ?

The Exothermic Welding Process is a simple, efficient method or welding Copper to Copper of Copper to Steel. One advantage is that No outside power is required when using the Exothermic Process. The exothermic process uses high temperature reaction of powdered copper oxide and aluminium. The reaction takes place in a semi-permanent graphite mold. These molds should last approximately forty or more welds if proper care is given. The reaction takes place very rapidly; therefore the total amount of heat applied to the conductors or surfaces is considerably less than that of brazing or soldering. This is important to remember when welding to insulated cable thin wall pipe.

This system is very field friendly, since its is light and portable and requires no outside power source. It requires very little time or skill to obtain an efficient, maintenance free connection when using this Exothermic Welding Process.



STEP - 1:  

Always wear protective safety glasses and gloves while working with exothermic welding products.

STEP - 2:

Gather all the proper material and equipment/accessories for the type of connection you are making. The typical Weld system requires all the Accessories as listed on Exothermic Weld Accessories page. Check to ensure the graphite Mould is not worn or broken, which could cause leakage of molten weld metal.

STEP - 3:

Slide the handle clamp into the pre-drilled holes with the proper orientation for the thumbscrews.


STEP - 4:

Tighten the clamp thumbscrews onto the mould.


STEP - 5:

Close the grips to tightly lock the Mould. Make adjustments to tighten/loosen the handle clamp.

STEP - 6: 

The material to be welded (cable, rod, tape etc.) must be clean using the wire Brush and dry using the Flame Torch included in the set of accessories. Thus the oxide layer and superficial impurity is eliminated.  Given that the graphite mould also absorbs moisture, this should be removed by preheating with a gas welding torch again to avoid a porous welding. 
P.N - After the first welding is done, it is not necessary to re-heat the mould if the next welding is done within 15 minutes as it conserves the previously generated heat.



STEP - 7: 

Place the conductors in the mould and close the handle clamps to avoid material leakages during the reaction.

P.N – Always apply Sealing Compound at the places where the conductors is passing from the mould else at the time of Welding, the Exothermic Liquid will spread out as a flame resulting in improper joint

STEP - 8:

Place the metallic disk inside the mould and ensure that Powder should not enter into Weld Cavity.

STEP - 9:

Pour Exothermic Weld Powder into Graphite Mould. (Pour the Powder recommended and supplied by us)

STEP - 10:  

Empty 50% of the starting powder above Exothermic Weld Powder (Don’t Mix, just scatter) and then Close the Mould Mouth and then the rest 50% Starting Powder, sprinkle it on the Mould Mouth nearby the small hole given on the top of the Mould Mouth.

STEP - 11:  

Ignite the starting powder extended on the top/side of the mould using the flint igniters.

STEP - 12:  

Once started, the reaction will take 8-20 seconds during which it is recommended to stand clear of the mould.

STEP - 13:  

After at least 3 minutes of the Mould cooling down, open the mold by undoing the handle grip. Remove the mould from the joint and clean the joint by removing slag with help of Slag Removal Tool and hard brush. Then clean the weld cavity with soft brush gently. The mould will be ready now to use again without having to reheat it as it is already warm.




In Normal case minimum two mold should be used on site to keep the process continue while one mold is cooled and cleaned after firing, the other should be used. The task should be undertaken very peacefully and one should not hurry.


Please Click here to see more for the process of Exothermic Welding.
The Process of Exothermic Welding is same to be followed as shown above in The Philippines - Quenzon City, Mnila, Davao City, Caloocan, Cebu City, Zamboanga City, Taguig, Antipolo, Pasiq, Cagayan de Oro.



Exothermic Welded connections provides a permanent connection that is superior in performance to any other known mechanical or pressure type surface-to-surface contact connector. Because the connection produced is a molecular bond, an exothermic welding connection will not loosen or corrode.

The Exothermic Welding Process may be same or different from other Exothermic Welding providers like AMIABLEWELD, CADWELD, ERICO, EXOWELD, KUMWELL, FURSEWELD, THERMOWELD, AIWELD, KINGWELD, THERMTWELD, THERMITEWELD etc. We request you to please view our Video-Exothermic Weld Manufacturer- Amiableweld manufacturer before making AmiableWeld Exothermic Welding Connection


When Exothermic Welding is require in The Philippines ?


Exothermic Welding is require when there is an improper connections between two conductors which are often the reason for electrical malfunctions. A proper connection should have the following characteristics:

  • Sustain electrical continuity and contact reliability.
  •  Capacity to withstand overload conditions without melting, burning or failing.
  • Extensive service life. Will not deteriorate, corrode or decay over time, above or below-grade.

Only exothermic weld connections meet or exceed all of the above criteria. Exothermic weld is recommended by IEEE and IEC (International Standard Body).


Listed below are the main features of these products:


  • Molecular bonding of copper and other metals can be made
  • Current carrying capacity becomes equal to or greater than the conductor
  • Will not deteriorate with age
  • Withstand repeated faults
  • Can be checked visually
  • No special skills and labor required
  • Never loosen or corrode
  • No external power is required for jointing
  • Easy to handle
  • Transportable



Exothermic Weld COMMON JOINTS :

Cable To Cable Joints     

  Cable to Rod Joints  

     Cable To Bar          Joints       

  Cable To Surface  (Steel/Copper) Joints

 Bar to Bar Connections (BB)

  Bar To Ground Rod  Connections (BR)


AMIABLEWELD are the leading Supplier of Exothermic Weld Powder in India supplying to Power Industries, Transformers Industries, Raliways, Hydro Companies, Defence Company etc. Please click here to find more Joint which is being made from our Exothermic Weld:

P.N - If you do not see the connection, configuration or size of the conductor required by you mentioned in this product catalog then please contact us at This email address is being protected from spambots. You need JavaScript enabled to view it.


REVIEW DATE 17-12-2016





We sell to almost more than 30 countries in the world including India.

Amiable Impex sells in India at Ahmedabad, Pune, Delhi, Mumbai, Bangalore, Chennai, Kolkata, Surat, Pune, Lucknow, Kanpur, Nagpur, Indore, Bhopal, Vadodara(Baroda).

We also serves at: Andhra Pradesh - Hyderabad , Arunachal Pradesh - Itanagar, Assam - Dispur, Bihar - Patna , Chattisgadh - Raipur , Goa - Panaji ,Gujarat - Ahemdabad , Haryana - Chandigarh , Himachal Pradesh - Shimla , Srinagar,  Jarkhand - Ranchi , Karnataka, Kerala - Thiruvanthapuram , Madhya Pradesh - Bhopal , Maharashtra - Mumbai , Manipur - Imphal , Meghalaya - Shillong , Mizoram - Aizwal , Nagaland - Kohima , Orissa - Bhubhaneshwar , Punjab - Chandigarh , Rajasthan - Jaipur , Sikkim - Gantok , Tamil Nadu - Chennai , Uttar Pradesh - Lucknow , Uttaranchal - Dehradun , West Bengal - Kolkata.

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