Green glass composition

C - Chemistry – Metallurgy – 03 – C

Patent

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Details

C03C 3/087 (2006.01) C03C 4/08 (2006.01)

Patent

CA 2616970

A glass composition that includes a base glass composition including: SiO2 from 65 to 75 weight percent, Na20 from 10 to 20 weight percent, CaO from 5 to 15 weight percent, MgO from 0 to 5 weight percent, A12O3 from 0 to 5 weight percent, K20 from 0 to 5 weight percent, and a colorant and property modifying portion including total iron equal to or less than 0.6 weight percent; and TiO2 ranging from 0.1 to 1.0 weight percent, wherein the redox ratio ranges from 0.33 to 0.45 and the weight percents are based on the total weight of the composition.

Composition de verre qui comprend une composition de verre de base comprenant : entre 65 et 75 pour cent en poids de SiO2, entre 10 et 20 pour cent en poids de Na20, entre 5 et 15 pour cent en poids de CaO, entre 0 et 5 pour cent en poids de MgO, entre 0 et 5 pour cent en poids de A12O3, entre 0 et 5 pour cent en poids de K20, et un colorant et une portion de modification de propriétés comprenant une teneur en fer totale inférieure ou égale à 0,6 pour cent en poids et une teneur en TiO2 comprise entre 0,1 et 1,0 pour cent en poids, le rapport d'oxydoréduction étant compris entre 0,33 et 0,45 et les pourcentages pondéraux étant basés sur le poids total de la composition.

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