C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/043 (2006.01) C04B 35/06 (2006.01) C04B 35/66 (2006.01)
Patent
CA 2642607
Disclosed are a fire-resistant ordinary ceramic batch and a fire-resistant product predominantly comprising a) at least one granular, fire-resistant, mineral, alkaline main component made of an MgO-based or MgO and CaO-based fire-resistant material that is based on at least one alkaline fire-resistant raw material, and b) at least one granular, fire-resistant, mineral, MgO-based, additional elasticator in the form of a forsterite material or a mixture forming forsterite material preferably as small molded articles, such as pellets or granulate that is comminuted from compacts. The small molded articles have a grain size ranging from 0.3 to 8 mm while being advantageously provided with a binder at an amount that elasticates the main component.
L'invention concerne une composition réfractaire en céramique industrielle ainsi qu'un produit réfractaire comprenant principalement : a) un composant principal basique, minéral, réfractaire, se présentant ne grains, composé d'un matériau réfractaire à base de MgO ou de MgO et de CaO constituant une matière de base réfractaire basique, et b) au moins un produit d'addition élastifiant, à base de MgO, minéral, réfractaire, en grains, sous forme d'un forstérite ou d'un mélange formant un forstérite, se présentant de préférence sous forme de corps moulés de petites dimensions, tels que comprimés ou granulés broyés, obtenus à partir d'ébauches, d'une granulométrie de 0,3 à 8 mm, qui renferment avantageusement un liant, dans les quantités élastifiant les composants principaux.
Klischat Hans-Juergen
Vellmer Carsten
Wirsing Holger
Borden Ladner Gervais Llp
Refratechnik Holding Gmbh
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