Glass (lead - free) There is 1 product.

For centuries,Bohemian crystal glass has been a synonym of beauty and perfect workmanship quality.Glass making has a very long tradition in the Czech Republic.Glass production began to develop from the 13th century in mountain areas especially in Jizera mountains and Lusatian mountains,because there were good availability of raw materials.The mo...

For centuries,Bohemian crystal glass has been a synonym of beauty and perfect workmanship quality.Glass making has a very long tradition in the Czech Republic.Glass production began to develop from the 13th century in mountain areas especially in Jizera mountains and Lusatian mountains,because there were good availability of raw materials.The most famous glass comes from Jablonec region and Nový bor region.Glass products from the Czech rebuplic are prized on the world market.Offer of Bohemian glass is really wide:24% lead crystal,christmas decorations,cut glass,glass figurines,household glass and many more.Bohemian glass is divided into two main categories:24 % lead crystal and non-lead crystal.

24% lead crystal: It is glass which content 24% PbO at least.Lead crystal is the term used for glass that combines silica,potash,cullet and lead oxid.The lead content softens the glass and makes it easier to cut.All the same time the product become more sensitive to light and acquires its characteristic and inimitable sparkle.The quality of crystal is influenced by the manufacturing method(input materials) and the level of manufacturing process.Bohemian crystal items are decorated with various hand-cut decors.The typical Czech decorative patterns include rich so-called "lace" decorations which represent the Czech cutting school.Some highly decorative pieces may take 25-3hours tu cut,absorbing as many as 8,-1, cuts.

Non-lead crystal: Crystalline can be described as a really exclusive glass.Glass generally consists of a mixture of sicica,potash,cullet,calcite which is melted at high temperatures.Adding metal oxides(zinc,barium)significantly increases the brightness,brillance,clarity.The right crystalline must contents more than 1% of these metal oxides.Density index 2,45 at least and refraction 1,52 at least.Crystalline doesn´t content lead oxides.

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