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| Murano Glass Processing of Glass |
www.murrina.it - Cotizzo - Cristallo in artistic glass production is transparent glass, homogeneous, absolutely colorless.
The secret of quality in cristallo, which is glass, is the 100% purity of the raw materials, the use of bleaching agents, the preparation of the vitrifiable mixture, the fusion process. In the middle of the XVth century #Murano invented a pure and colorless glass, which for the first time in history was called cristallo and was later imitated in other European countries.
In contrast with Nordic crystal, which has a concentration of lead oxide and today must be subject to strict controls of the fumes deriving from its fusion, its contact with foods and its waste disposal, #Murano cristallo is a sodic-calcic glass whose principal components, aside from silica, are sodium oxide and calcium oxide. Murano has always remained faithful to sodic cristallo because it is most suitable for the production of particularly light blown objects which require long working processes.
( Remember that #MuranoGlass is 100% pure and realized only with natural materials; beware of any other types of glass you don't know where they come from, because they can contain unhealthy or polluting agents/components, which can bring to allergies or other problems.
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