Glass is an amorphous solid material, i.e., does not exhibit crystalline structure. It is translucent or transparent, brittle, rigid and hard. Due to the non-crystallinity, the term “glass” (glass) or “glassy” expanded meaning all amorphous solids. The transparency relates to visible light because ordinary glass is opaque to ultraviolet radiation. As the material is chemically and biologically inert, fully recyclable, and therefore, particularly suitable for use in manufacturing food and beverage packaging.
The glass was prepared by fusion of quartz sand, which is the main component of the (former), one or more fluxes and one (or more stabilizers. If no stabilizer used, the glass becomes brittle and disintegrates in water. The prepared glass joint with quartz sand fusion (SiO2) (73,7%), sodium carbonate (common. Soda, Na2CO3)) (16%), potassium oxide (K2O) (0,5%) (fluxes) and calcium carbonate (common. limestone (CaCO3)) (5,2%) of magnesium carbonate (MgCO3) (3,6%) and aluminum oxide (Al2O3) (1%) (stabilizers). Depending on the type and amount of fluxes and stabilizers taken and the various types of glass.
Glass, since prepared as raw material, can get the desired shape in three ways: either by blowing (blown glass) or with the help of molds or devices that create sheets (“blades”) glass.
Physical properties of the glass
- Solid high hardness (7 on a scale Mohs).
- Non-crystalline amorphous structure.
- Fragile. The fragments are oxylikta.
- Transparent for the spectrum of visible light.
- Dysthermagogo and insulating material.
- Inert chemically and biologically.
