SINCE THE CORREGATED BOARD HAS A VERY Intersting Shape of the Wave, Its Stiffness Remains for a Long Time. Moreover, The Form of the Corxary. As for the Coatings for Corrugated Board, There ARAT A GREAT MANY OF THEM, BUT OF THE BEST IS Galvanizing. It is this coating that shoup be highlighted. There is also a coating that has a difficult name — Polyvinyl chloride. This coating is Very Resistant to Mechanical Damage, But Its Afraid of High Temperatures, Due To Loses Its Excellent Properties.