MPM (Morgan Powdered Mastic) is an interior wall tile adhesive with all the properties that you need of a mastic adhesive in one pack. MPM exceeds the requirements of the Australian Standard AS4992, exhibiting high flexibility and high bond strength. MPM is a white cementitious, quick setting mastic designed to minimise the time between tiling and grouting an installation. MPM installations can usually be grouted after only 6 hours.