2010 Fairy Tale Series 3D Notebook Material PP/PET Variour shape,size,and design can according ... normal ink, dry-time is slower than PP material. PET is harderthan PP and PVC, stable and high-quality of ... of gluingfor toys, food and related products. 2) PP: PP can also be direct printing, but need to do ... with normal ink, dry-time is faster than PET. PP is harder thanPVC, but softer than PET, non-toxic, ...