PLASTER OF PARIS

                                                           PLASTER OF PARIS

WHAT IS POP?

Made up of gypsum, the Plaster of Paris is a white colour powder. It is a popularly used substance for sculpting, casting, and gauze bandages. Chemically, it is calcium sulphate hemihydrates that are obtained from heating gypsum.

PROPERTIES OF POP:

• It is a white colour powder
• At 473K, Plaster of Paris forms anhydrous calcium sulphate known as dead burnt Plaster of Paris.
• When water is mixed with it, the gypsum crystals are produced which leads to set into a hard mass
• It has an exothermic setting process and maybe catalyzed by sodium chloride. It can be retarded by alum or borax.

PRODUCT PROCESS:

Raw Material: -

• Gypsum
• Water
• Ruler
• Pencil
• Carving Tools
• Wooden Moulding Cubical Box 

Process Used: - Carving method.

                                                           FINAL PRODUCT