5 SIMPLE TECHNIQUES FOR SANDWICH PANEL

Methylene Diphenyl Diisocyanate (MDI): MDIs are produced with the phosgenation from the condensation merchandise of aniline with formaldehyde. The most common isomer Utilized in polyurethane production is purified 4,4 isomers. MDIs are commonly Employed in creating rigid and semi-rigid polyurethane foams.Employs of Polystyrene Polystyrene foams are