... design printing of semi-automatic, automatic use the SS, AA, HQ series, hardness range is from 55 shore to 75shore ... , aluminum, wood, metals, plastics, plexiglass screen printing,choose the AA, UV, HQ, HH, ND Series and 719,718,783 cyclohexanone ... In this filed printing can choose the type S---low quality product, type AA---middle quality products, type HQ----high quality products. Hardness extension ...