Glass melting
temperature ranges from 300 to 2500 ⁰С ,
depending on the components in its composition.
When glass
breaks, a crack is formed at a speed of 4828 km/h.
 |
| How Ordinary Glass Breaks and Tempered Does |
How long does
the glass decompose? It can be said that for a very long time, namely, about 1
million years.
Glass is one of
the few materials that can be recycled 100% and without loss of quality.
To melt broken
glass for new products is 40% cheaper than to produce new glass from primary
raw materials.
The energy
needed to remake one glass bottle can power the computer for 30 minutes.
What is glass
made from? Glass consists of approximately 70% silica sand, and soda and lime
are also included. Calcareous impurities give the glass shine and resistance to
chemical attack.
How is glass
painted in different colors? To give the glass the desired color, it adds
various metal oxides. For example, iron oxide will give the glass a color from
blue to dark red, uranium oxide will make it light yellow, and nickel will color
the glass purple and brown.
You can make
threads from glass, the flexibility of which will be enough to sew.
To
make a frosted glass transparent, you just need to stick a transparent Scotch
tape on it. The adhesive of the tape smooths out the irregularities, as a
result, the light is not scattered, but passes through the glass as well, as
through the ordinary one.
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