High Performance super hydrophilic VPS impression material with excellent tear resistant.Putty400gm Base, 400gm CatalystFast Set 250 ml each of base & catalyst. House Brand. Putty Fast set. Hydrophilic and thixotropic. Dimensionally stable with great elastic recovery. VPS Impression Putty Fast Set, 250 ml base & 250 ml catalyst. Putty Fast Set VPS PVS Dental Impression is super hydrophilic not only during application, but also during immediate pouring of gypsum. It contains special reinforcing branched silicone resins for superior tear resistance so impressions can be easily removed. Its elastic recovery ensures dimensional stability for weeks, allowing you to pour at your convenience.