/kloc-in the 0/2 century, commercial glass appeared and began to become an industrial material. /kloc-in the 0/8th century, in order to meet the needs of making telescopes, optical glass was made. 1874, Belgium made flat glass for the first time. 1906, the United States made flat glass and introduced the machine.
More than 3000 years ago, a European Phoenician merchant ship loaded with crystal mineral "natural soda" sailed on the Berus River on the Mediterranean coast. As the sea ebbed, the merchant ship ran aground, so the crew boarded the beach one after another.
Extended data:
Classification of glass:
1, tempered glass. It is a kind of prestressed glass reprocessed from ordinary flat glass.
2, frosted glass. It is also made of ordinary flat glass and then frosted. Generally, the thickness is below 9 cm, and the thickness of 5 or 6 cm is mostly.
3, sandblasting glass. The performance is basically the same as frosted glass, except that frosted glass is sandblasted. Because of its visual similarity, many owners and even decoration professionals confuse it.
4, embossed glass. It is a kind of flat glass made by calendering. Its biggest feature is that it is light-tight and light-tight, and it is mostly used in decoration areas such as bathrooms.
5. laminated glass. It is a kind of impact-resistant flat glass made of metal wire or metal mesh embedded in glass plate by calendering method. When hit, it will only form radial cracks and will not fall and hurt people. Therefore, it is mostly used in high-rise buildings and factories with strong vibration.
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