Stardust Hotel Tucson

classified as glass?

glass-glass and, above all, is a topic that is related to the existence and the everyday life of every human being since 3000 years. Over the years many things have changed, technology, industry, the knowledge developed to such an extent that now the glass has a greater impact. Also, more everyday items are just-made glass.

In today's life, there is so many forms of glass that had be a natural process of breakdown by classification. We can distinguish

building glass - flat-rolled and drawn, composite, toughened, opaque color, foam. Glasses belong to the group construction lens glasses are usually soda-lime-potassium silicate.

Another type of glass is a glass of Jena. Glass is also called the Jena glass boro-silicate. This glass was first invented in Jena (origin mazwy). The main feature of this glass is that it has a low melting point (about 400 ° C ) thanks can be freely formed. Very important thing is the fact that glass is a high resistance to sudden temperature changes. It is used in laboratory equipment and kitchen. With the spirit of time and technology progress, it was discovered his variant - Pyrek. PYREX Glass composition has significantly improved in comparison to glass jenajskiego making that in some cases is simply better.

last type of glass is leaded glass (crystal) - colorless or yellow or purple hue. Glass is used for the manufacture of decorative, optical lenses, transparent shields against X-ray and gamma radiation.