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Gypse : roche sédimentaire<br />

Extraction en carrière<br />

LE PLÂTRE<br />

MATIERE PREMIERE : LE GYPSE<br />

Second oeuvre L3 GCI<br />

Répartition des carrières de gypse en<br />

France<br />

1.Concassage des blocs de gypse.<br />

2.Tamisage, afin de ne conserver que les particules d'un diamètre inférieur à 40 mm.<br />

3.Cuisson<br />

4.Adjuvantation

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