Cementitious product in panel form and manufacturing process
AssigneeSaint-Gobain Materiaux De Construction S.A.S.
InventorsCharlotte Famy, Gaël Cadoret, Paul Houang, Valdir Aparecido Zampieri
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Abstract
The present invention relates to a product, in particular a panel, that can be obtained by the Hatschek process and without autoclaving, and can be used as siding, cladding element or partition element, this product being formed from a fibre-reinforced cementitious matrix comprising at least one hydraulic binder, such as cement, at least one filler, such as calcium carbonate, and at least synthetic fibres. The invention also relates to a process for manufacturing the product.
Claims5
A flat panel obtained by the Hatschek process from a sheet material obtained by filtration of an aqueous suspension comprising:
- a Portland cement in an amount of between 18 to 50% by weight of dry matter,
- calcium carbonate in an amount of between 60 to 70% by weight of dry matter, and
- from 2 to 10% by weight of fibers, at least some of which are synthetic fibres,
- said flat panel being obtained without autoclaving.
Dependencies are inferred from the claim text.