Panshi, a quartz glass manufacturer, learned that in the 18th century, optical glass was produced to meet the needs of the development of a thousand mirrors. About 3,700 BC, the ancient Egyptians had made glass ornaments and simple glassware. At that time, there were only colored glass. About 1000 BC, China made colorless glass. The glass is obtained by solidification of acid rocks ejected from volcanoes. Modern, glass has become an important material in daily life, production and science and technology. Since then, with the industrialization and scale of glass production, glass of various uses and various functions has come out. In 1906, the United States produced a flat glass lead machine. In the 12th century AD, commercial glass appeared and began to become an industrial material.
In 1873, Belgium first produced flat glass. The merchant ship was stranded because of the tide of the sea. More than 3,000 years ago, a European Phoenician merchant ship was loaded with crystal mineral "natural soda" and sailed on the Beruth River on the Mediterranean coast.
When they were preparing to clean up and board the ship, they shouted: "Let's see, there are some bright, glittering things on the sand below the pot!" Some crew members also carried a large pot, moved firewood, and used a few pieces of "natural soda" as a scoop for the cauldron to cook on the beach. After the crew had finished eating, the tide began to rise. The crew then boarded the beach.
The crew took these flashing things to the boat and studied them carefully. It turns out that these glittering things are the natural soda that they used to make the pots when cooking. The crystals produced by the chemical reaction with the quartz sand on the beach under the action of flames are the glass. Later, the Phoenicians combined the quartz sand with the natural soda and then melted it with a special stove to make a glass ball, which made the Phoenicians make a fortune. They found that these sparkling things have some quartz sand and melted natural soda.
Around the 4th century, the Romans began applying glass to doors and windows. By 1291, Italy's glass manufacturing technology was very developed.
The glass we use today is made of quartz sand, soda ash, feldspar and limestone at high temperatures. In 1688, a man named Naf invented the process of making large pieces of glass. Since then, glass has become an ordinary item. "Our glass manufacturing technology must not be leaked out, and all the craftsmen who make glass are concentrated together to produce glass!" In this way, Italian glass craftsmen were sent to an isolated island to produce glass, they lived in a lifetime. It is not allowed to leave this island. Usually referred to as silicate glass, quartz sand, soda ash, feldspar and limestone as raw materials, after mixing, high temperature melting, homogenization, processing and forming, and then obtained by annealing. Slightly brittle and transparent. A non-crystalline solid material obtained by gradually increasing the viscosity of the melt during cooling. There are quartz glass, silicate glass, soda lime glass, fluoride glass and the like. Widely used in construction, daily use, medical, chemical, electronic, instrumentation, nuclear engineering and other fields.
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