SODA LIME GLASS COMPOSITIONS AND PROCESS FOR MANUFACTURING CONTAINERS FROM SAID COMPOSITIONS

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The invention relates to soda lime glass compositions for producing glass containers having pre-determined light transmission properties, the composition including at least one rare earth element or a compound thereof in an amount ranging from 0.3 to 10% by weight of the total composition so as to affect the light transmission properties of the glass to provide U.V. absorbing and/or fluorescent and/or dichroic glass. The invention also relates to a process for manufacturing soda lime glass containers using the above compositions.