Application of polyurethane adhesives in air filters

how is polyurethane material used in air filters? there are three main forms of application of polyurethane in air filters. let’s learn about them together. 1. polyurethane is used in air filters in the form of hot melt adhesive 1. assemble the filter element according to the process; 2 . clean the surface of the filter element cover to remove oil and dust, and dry it…