Market construction
Market construction

Siva gypsum Espandar Semnan plaster

Espandar Semnan plaster
Iran

Siva gypsum is a special type of gypsum that is designed and used by the combination of micronized gypsum with a number of special additives to perform the initial level of plastering. Due to its desirable properties, this gypsum is very suitable for underground operation and the surface will be smooth and smooth after plastering.
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Siva gypsum Espandar Semnan plaster

Plaster of building adhesives is an air adhesive. Building plaster is obtained by baking gypsum at a temperature of about 180 degrees. The chemical formula of gypsum is calcium sulfate with two water molecules which after boiling, about (75%) of its water is vaporized and the building gypsum is obtained by chemical formula CaSO4.0.5H2O. Pure plaster is white, but impurities cause it to change color.

Advantages of construction gypsum:

  •  Being early
  •  Volume Upon Hardening:
  •  Fire resistance
  • The property of being acoustic
  • The property of being plastic
  • The price is right
  • Abundance and availability

Disadvantages of construction gypsum:

  • Not resistant to water
  • Corrosion in metals

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