FREMGANGSMÅDE TIL FREMSTILLING AF EN GIPSPLADE

• Main Authors: Arese, Roger, PEYRON, Pierre
• Format: Patent
• Language: Danish
• Published: 02.06.2020
• Subjects: ARTIFICIAL STONE; BUILDING; BUILDING MATERIALS; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; STRUCTURAL ELEMENTS; TREATMENT OF NATURAL STONE

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.