This is our classic 1:1 silicone. This autocuring putty with a Shore hardness of 70 has excellent dimensional stability, accurate detail reproduction, and no distortion in the anaxform flask. Even high temperatures (200 °C) cannot harm this silicone. Accuracy and high performance! It was developed for the counter technique in the anaxform flask, for rims of temporary restorations, mock-ups, fixation, damming, exact transfer keys, and for checking rims for planning.