| abstract |
PRODUCTS CONTAINING IMPROVED PLASTER, CONTAINING ALPHA HEMIHYDRATE, where the invention features a gypsum plasterboard, made of paste containing plaster, having an excellent hydration rate comprising granulated alpha hemihydrate at a granulometric distribution variation and having a Biaine surface area in a variation of approximately 3 100cm2Ig to approximately 9000cm2Ig, alone or in combination with beta hemihydrate. |