Why does Low-E glass become the upstart of environmental protection in the door and window industry?
More than 3,000 years ago, when the Phoenicians mixed quartz sand with natural soda and melted it in a special furnace to make glass balls. Colorless glass was also produced in China by 1000 BC. In the 12th century AD, commercial glass appeared and began to become an industrial material. In the 18th century, in order to meet the needs of developing telescopes, optical glass was produced in Western Europe. In 1906, after the flat glass machine was produced in the United States, with the industrialization and scale of glass production, glass of various uses and properties came out one after another.
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