Question

Explain in a brief the hot air welding technique for welding of PVC plastics.

Answer 1

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$\bold{Hot\: gas\: welding\:}$ also known as$\bold{ Hot\: air \:welding \:}$ is a plastic welding technique using heat. A specially designed heat gun, called a hot air welder, produces a jet of hot air that softens both the parts to be joined and a plastic filler rod, all of which must be of the same or a very similar plastic.