Plaster is a material which is used in construction and repairing works. It is mainly used as aprotective or decorative coat on the walls or ceilings. It is also used for moulding or casting of decorative materials. The plaster is mainly composed of either of the items from cement, gypsum, or lime. Irrespective of the content, all plasters work in same way. The plasters are manufacturedin the form of adry powder which is further transformed into a thick paste by adding water. The plaster can be easily worked out on walls or ceilings with the help ofsandpaper or metal tools.

About Plaster of Paris

Plaster of Paris is quick setting plaster consisting of Gypsum plaster. It is afine white coloured powder that hardens after adding water and letting it dry. The plaster has been named ‘Plaster of Paris’ since it is made from Gypsum which is found in Paris in abundance.

Also, known as POP, in short, Plaster of Paris is manufactured by heating the gypsum or Calcium Sulphate Dihydrate up to 120-180 degree centigrade. The POP offers protection from fire in the interiors.

Advantages of POP:

  • The plaster of Paris is light weighted and offers great durability to any structure.
  • The plaster has quite less thermal conductivity.
  • It offers great fire resistance which makes it an excellent heat insulation material.
  • The POP remains the same after setting and does not shrink. Hence, there are fewer possibilities of cracks.
  • The plaster of Paris can be easily mixed with water, and this makes it easier to spread the mixture and level it for perfect finishing.
  • The POP offers good adhesion on the fibrous elements
  • The POP offers smooth and firm surface which makes it easy to settle colours on the surface
  • It has no chemical reaction with paint and is immune to alkali attack
  • The Plaster of Paris offers aesthetic finish to interiors. The gypsum content of POP provides shine along with smoothness to surface
  • The Plaster of Paris can be easily moulded into thedesired

Uses of Plaster of Paris

  • The POP is great for casting moulds since it does not crack or shrink after drying.
  • POP is most commonly used to hold parts of decorative and artistic plasterwork done on ceilings.
  • The POP also has medicinal uses too. It is used as plaster casts which help in positioning the broken or misplaced bones and prevents them from moving.
  • Few sculptors work directly with POP to shape their ideas quickly.

It is believed that any of the items that are made from POP should be left for dying out atleast for 24 hours. After dying it can be decorated or painted as desired. Also, the POP powder is finely ground and light, so people using POP should refrain from inhaling the powder. Adding water in POP emits heat, so one should avoid mixing it with water with bare hands.

Manufacturing of Plaster of Paris is done my many renowned brands which sell POP in packs of various size and weight. One can choose as per the requirement.