Gypsum Crushing Process Description

Gypsum Crushing Process Description

CertainTeed mines and processes gypsum rock CaSO 42 H 2O to produce gypsum wallboard. The gypsum is calcined to produce stucco CaSO 412 H 2O in the manufacturing process. Stucco is the principal component in gypsum wallboard. Mining is covered by NAICS Code 212399 and all other processes are covered by NAICS Code 327420.

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