The hot glue guns used for glue spraying and scraping of hot glue machine equipment are different. There are two main differences:

2.In these two ways, the shape of the hot melt adhesive on the material is different. The glue sprayed out is relatively narrow and has a certain thickness, and the surface of the glue is uneven.While the glue that is scraped out is relatively wide, the glue layer is very thin, and the surface is smooth and even. https://www.ytgluemachine.com/