C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/28
C04B 35/48 (2006.01) C03B 5/43 (2006.01) C04B 28/02 (2006.01) C04B 35/106 (2006.01) C04B 35/482 (2006.01) C04B 35/66 (2006.01)
Patent
CA 1141397
NEW UNSHAPED REFRACTORY COMPOSITIONS USEFUL AS JOINTING AND MOULDING COMPOSITIONS. Inventors: Jacques GUIGONIS Pierre JEANVOINE SOCIETE EUROPEENNE DES PRODUITS REFRACTAIRES ABSTRACT OF THE DISCLOSURE The invention refers to an unshaped refractory composition which comprises by weight : (a) 55 to 99% of particles of a fused cast refractory material which contains a vitreous phase and the composition of which contains, as main constituents, ZrO2, Al203, SiO2, and possibly Cr2O3; (b) 1 to 5% of a hydraulic cement; (c) 1 to 15% of a filler consisting of very fine, substantially spherical particles of a metal oxide; (d) 0 to 25% of fine particles of a size less than 40 microns chosen from particles of ZrO2, Al2O3, Cr2O3, fused cast refractory products comprising by weight 75 - 85% ZrO2; 2 - 8% SiO2, 9 - 17% A12O3, 0.5 - 0.7% of other oxides, and mixtures thereof; and (e) 0.01 to 1% of a surface-active agent, with respect to the total weight of the constituents (a), (b), (c) and (d). Application especially in the construction of hearths of glass furnaces. - 1 -
353780
Guigonis Jacques
Jeanvoine Pierre
Mcfadden Fincham
Societe Europeenne Des Produits Refractaires
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