This standard applies to an etch primer (vinyl wash primer) for use as a pretreatment on bare metal or as a tie coat over zinc-coated steel before applying topcoats.

The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any applicable regulatory requirements prior to its use.