โ ๐๐๐๐๐๐๐๐ ๐๐๐๐๐๐๐๐๐๐ โ Why is printing technology important? Previous technologies used Solvent and Eco-Solvent, which contained high VOC chemicals that degraded wallpaper panels over very short periods. As printing technology improved, HP Latex eliminated harsh chemicals and reduced material shrinkage. However, a ser