Applying Heat to Appoint the Epoxy Coated Pipe

Fusion bond epoxy coated pipe is a manufacturing technique, where a thermosetting chemical bonds two or more layers of materials together by electrostatic attraction using a low-density filler, usually in the form of epoxy. The bonding provides an extensive layer of protective coating to the base material, which is generally cured to give a tough, harden and resistant structure to any sort of work. Usually a fusion binder will have a core of a lower density than the surface layer, and this is usually done by heating to increase the melting point of the epoxy layer, which in turn imparts superior wear resistance to the application.

 

The use of this bonding epoxy system is widespread in many different industries. One of the most popular applications is bonding pipes to roofing shingles. After the pipe is fastened to the roofing surface, the epoxy coating is applied on the inside of the pipe, providing strength and durability to the pipe joint, resisting potential corrosion caused by weather and temperature changes.

 

It is important to note that fusion bonding does not provide perfect pipe protection. There are still considerable variability and movement within the pipe joints, and there is potential for movement in the bond itself due to thermal stresses and other environmental factors. This is why the final epoxy coating thickness is dependent upon the pipe size and construction, as well as other external factors such as pipe movement, pipe vibrations, and wind conditions. A good rule of thumb is that the thicker the bond, the stronger the protection provided. A bond that is too thick will be ineffective against thermal stresses and weathering, and may even weaken the pipe due to its lack of structural integrity.

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