Mixture for the production of an amber glass, amber glass, method for the production of tubes and blanks of tinted bulbs, and tinted bulbs obtained with said glass

摘要

The invention relates to a mixture for the production of a vat-dyed amber glass; an amber glass formed from the vitrifiable mixture, based on a silico-sodo-calcic composition; and a method for the production of tubes and blanks (2) for bulbs (1) using said glass. The mixture contains 100% by weight of the following ingredients: 0.01%-1% by weight molybdenum bisulphur and 0.01%-7% strontium sulphur by weight. The glass thus obtained is devoid of harmful products such as cadmium and no additional heat treatment is required in order to obtain the desired colour thereof.