Article | REF: C910 V1

Plaster

Author: Daniel DALIGAND

Publication date: May 10, 2002

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AUTHOR

  • Daniel DALIGAND: Chairman of CEN/TC 241 Gypsum and gypsum products - General Secretary, Syndicat national des industries du plâtre

 INTRODUCTION

Known since antiquity, plaster is one of the oldest man-made construction materials. Although it is still used in its traditional form of powder mixed with water to make plaster, it is in the form of prefabricated factory elements (tiles, slabs, boards) that its use is developing today to meet construction needs.

Gypsum is also used in other sectors: breweries, bakeries, and the manufacture of molds for crockery and sanitaryware.

Gypsum is obtained by dehydration of gypsum – natural rock or by-product of certain industries – which is a hydrated calcium sulfate with the formula CaSO 4 . 2 H 2 O.

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Plaster