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The slurry is kept for around 20 to 25 minutes so that it sets properly before removing the pattern.This mixture is then poured over the casting pattern.In this mixture, the gypsum is around 70 to 80%, while the additives are around 20 to 30%.These additives are added during the plaster molding process which increases the setting time and improves the strength of the mold.In the next step, the POP and water mixture is mixed with additives like talc and silica floor.First of all, the powdered form of Plaster of Paris (POP) is mixed with water in order to form the plaster.The steps involved in plaster mold casting process are mentioned below. Plaster Casting is used to manufacture the castings from aluminum, magnesium and copper based alloys.The components like gears, fittings, toolings, lock components, valves, and ornaments can be manufactured using a plaster casting process.By using a plaster casting process, small castings of around 30 grams as well as large castings of around 45 kg can also be manufactured.
![plaster cast plaster cast](https://www.classicist.org/assets/images/plastercast/_sliderThumb/5-Equestrian.jpg)
Plaster mold casting process is generally used for casting non-ferrous metals.įew important things about the plaster mold casting process. Plaster Mold Casting (also known as plaster casting) is a metal casting process which is similar to the sand casting process, except the molding material is Plaster of Paris instead of sand. Cast component of section thickness 1 mm made by plaster mold casting process