Gypsum is a versatile, lightweight material used in building construction. They use it to give the finishing coat to masonry walls and concrete construction. This provides a smooth and even surface.
Chemical reaction of gypsum
Gypsum plaster is made from gypsum. Gypsum is the mineral calcium sulfate dihydrate. When you heat the mineral to high temperatures, it undergoes calcination by giving up the water. The dry gypsum thus obtained is powdered and water is added to form the gypsum plaster. You can get more details from the Gypsum plaster dealers in Noida.
Working with gypsum is easy. It reduces the work time and provides a better finish than if you used cement plaster. Many builders use gypsum plaster for interior decoration work since the gypsum plaster takes and keep the shape well. They use this material to make plaster boards and decorative pieces. This ready to use powder gives high early strength and finds use in R.C.C. ceilings, concrete columns, Hollow brick construction, and bare brick walls. Typically, a 25 kg bag will give coverage of 21 square feet if the thickness is 13mm. You can get more details from the Gypsum manufacturer in India.
Specifications of gypsum plaster
Good quality gypsum must have a bulk density of 1020 kg/m². The setting time must be between 25-30 minutes. The compressive strength must be 60-70 kg/cm². The advantages of using gypsum ready mix plaster are that you get a beautiful line and level with the gypsum plaster. The finishing is smooth and the time needed for the work is lesser. Also, the gypsum plaster does not require water curing. You can apply both the cement plaster and the gypsum plaster directly. The quality of the gypsum plaster is better.
The gypsum plaster does not have any shrinkage cracks. But, you will need expert masons since you need special skill to work with gypsum plaster.