BizSugar.com › Products and Services › Finalizing the Product: 9 Types of Plastic Welding to Distinguish From

This plastic welding technique uses heat to soften the parts welders need to join together. Also referred to as hot gas welding, hot air welding requires specialized welding equipment and should only be used when both of the materials being joined are similar. Plastic manufacturers commonly use hot air welding for fabricating small plastic items.