Digital Printing Hewlett-Packard (HP) approves a number of its Indigo Printers for printing on Mapal sheets. Our polypropylene sheets are specially manufactured to allow good ink adhesion with a one-year shelf life. This provides a cost-effective alternative to other plastics and substrates. Screen Printing Plastic Sheet Printing Machine Whether you need to print plastic such as PVC, PP, PC, PE, ABS sheets or plastic films, our UV printing machines for plastic sheets can help you produce outstanding plastic products with superior printing effect, bringing high value to your products. Printing on plastic film and sheets is a very common application. However, the techniques used to print on the vast number of different plastics is very detailed. Usually, the method and techniques chosen have to do with the plastic material itself, as well as the type of printing.