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Gypsum boards
A gypsum board according to the invention comprises • calcium sulphate dihydrate; • Tartaric acid in an amount in the range of 0.01 to 0.1% w based on the weight of calcium sulphate hemihydrate; • A fluidizer in an amount of 1.0 to 10.0 kg/m3; • Starch in an amount of 3.0 to 12.0 kg/m3.
Gypsum boards
A gypsum board according to the invention comprises • calcium sulphate dihydrate; • Tartaric acid in an amount in the range of 0.01 to 0.1% w based on the weight of calcium sulphate hemihydrate; • A fluidizer in an amount of 1.0 to 10.0 kg/m3; • Starch in an amount of 3.0 to 12.0 kg/m3.
Gypsum boards
ARESE ROGER (author) / PEYRON PIERRE (author)
2019-09-24
Patent
Electronic Resource
English
GYPSUM BASED SLURRIES FOAMED GYPSUM BOARDS AND METHODS FOR PRODUCING FOAMED GYPSUM BOARDS
European Patent Office | 2018