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US 9,751,805 B2Granted
Method for stabilizing beta-hemihydrate plaster
AssigneeEtex Building Performance GmbH
InventorsWinfried Aschern, Jörg Bold
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Abstract
The instant invention is concerned with the post-treatment of β-hemihydrate plasters for the purpose of stabilization. The invention relies in the addition of a retardant to the calcined β-hemihydrate. It is also the purpose of the invention to provide stabilized β-hemihydrate plasters which exhibit advantageous properties.
Claims23
A process for the manufacture of stabilized β-hemihydrate plaster powder comprising the moistening of calcined β-Hemihydrate with the addition of a retardant.
Dependencies are inferred from the claim text.