Investment material, investment model, casting mold and process for the prevention of the flowering of investment models and castings from the investment material

摘要

the invention relates to a guu00dfeinbettmasse for the manufacture of einbettmassenmodellen and moulds for legierungsteile, especially in dental technology, with the keramiksystem mgo sio2 and p2o5.the invention concerns also the described guu00dfeinbettmasse existing einbettmassenmodelle and moulds, as well as a method for preventing the ausblu00fchens of einbettmassenmodellen and moulds from a guu00dfeinbettmasse. $a to avoid ausblu00fchungen (formation of natriumphosph at) is proposed, and 0.01 to 10 mass% of water-soluble acid or water-soluble acids lying down.