This standard specifies the method for evaluating the acid resistance of printed matter. This standard applies to all printing methods and substrates such as paper, cardboard, plastics and metals (foil and sheet metal).
GB/T 18724-2002 history
2008GB/T 18724-2008 Graphic technology.Prints and printing inks.Assessment of resistance to various agents
2002GB/T 18724-2002 Graphic technology--Prints and printing inks--Determination of resistance of prints to acids