MARK3 eXact VPS Impression Material - Medium Body - Fast Set , 4 x 50 ml Cartridges. Super hydrophilic impression material with specially formulated additive for superior hydrophilicity and improved flow allowing better capture of surface detail. Exceptional dimensional stability and one of the lowest shrinkage rates for reliability. Working time: 1 min, Set time: 2 min. 4 - 50 ml cartridges