Pinkysil Putty Pinkysil Putty is a flexible silicone impression putty with a convenient 1:1 ratio. With a shore hardness of 25A, the unique putty consistency allows the manufacture of quick impression molds from practically any surface. Work time is 2 minutes and demolds in 8-12 minutes. . It is ideal for copying features and smaller parts where quick "splash mold" is required for a one off cast. . Pinkysil Putty is ideal for applications such as model making, doll making and the SFX industry, or whenever a fast turnaround from concept model to final cast is required. Use for prototypes, on-the-go molds, sculpting, miniature models, jewelry, soap and candle making, scrapbooking and much more!