Cementitious binders and wood particles-based incombustible coloured composite panel with structural high performance
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United States of America Patent
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Oct 7, 2014
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app pub date -
Oct 25, 2013
filing date -
Nov 16, 2011
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Abstract
A composite panel is made from wood and cementitious binders, with flat surfaces and several possible colors. The panel comprises 35 to 85% of grey or white Portland cement; 10 to 30% of debarked resinous wood particles; 5 to 20% of semi-hydrated calcium sulphate; 0 to 10% of a surface accelerator; 0 to 10% of aluminum sulphate solution; 0 to 30% of calcium carbonate; and 0 to 15% of pigments. The process of preparation for the existing VIROC panel is adjusted to the new material. This panel, in addition to being very resistant and showing high performances in terms of resistance to impact, humidity, temperature variation, noise and fungi, as well as other microorganisms, also complies with all the requirements of the associated product standard.
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