Archives du jour : 19 octobre 2021

La petite histoire du zinc

Non classéPar nibor 19 octobre 2021

Le zinc est un matériau très employé en couverture, son utilisation en Europe date d’environ 1850. Le zinc est inoxydable. Minerais: Les deux éléments essentiels à la fabrication du zinc sont: La blende (sulfure de zinc ) La calamine (carbonate de zinc) La fabrication consiste à l’extraction, broyage, grillage et épuration du minerais puis obtention…

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