Model stone, Extra Hard White, Natural, Type 3

The model stone Extra Hard White is a natural gypsum type 3 for the embedding of prostheses. It is a hard type 3 gypsum which can also be used for making individual spoons. Mix this gypsum according to the recommended mixing ratio of 100 grams to 30-32 ml water, this gypsum will have a working time of approx. 5 minutes with a setting time of 12 minutes.