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Zomorrod ( Saman ) Gypum Co


What is plaster?

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4-2H2O. In nature it can be found in gypsum quarries. Well known is the burned gypsum, mined from the quarries in the Garmsar district of Semnan.

Plastering resources:

Commercial quantities of gypsum are found in Brazil, Pakistan, Jamaica, Iran (world's sec- ond largest producer), Thailand, Spain (the main producer in Europe), Germany, Italy, England, Ireland, Canada and the United States. One of the best gypsum quarry in the world is located in Semnan, iran, where gypsum is sold to private buyers for changing the pH levels of soil for agricultural purposes

Plaster burning furnaces:

1 plaster pit furnaces :

The oldest form of gypsum kilns burning in a pit type that is already common in many cities. In this type of furnace they coocked the gypsum rock by heating that this furnace is not desirable product.

2 furnaces vortex of:

this type of furnace that is a uniform product composed of a large tray which grinding fall on it.


Chalk properties:

1 Early consuming

2 increasing volume of  properties

3 fire resistance

4 acoustic

5 cheap

6 plastic moldings

7 plaster color

8 gypsum tonality   

Plaster usage:

Gypsum board

Plaster ingredient (surgical splints, cast- ing moulds, modeling)

Fertilizer and soil conditioner

Filler in the food industry

A component of cement used to prevent flash setting of concrete

In foot creams, shampoos and many oth- er hair products


Impression plasters in dentistry