Ultra-clear glass is a kind of ultra-transparent low-iron glass, also called low-iron glass and high transparent glass. It is a high-quality, multi-functional new high-grade glass variety with a light transmittance of 91.5% or more. It is characterized by its crystal clearness and high-grade elegance. It is also known as the “King of Crystal” glass family. Ultra-white glass also possesses all the machinable properties of high-quality float glass, with superior physical, mechanical and optical properties, and can perform various deep processing like other high-quality float glass. Such as tempering, coating, color glaze, heat bending, plastic folder, hollow assembly. In the field of construction, ultra-white glass is not only energy-saving and environmentally friendly, but also allows architectural design to integrate fashion, avant-garde architectural style and design concept. Ultra-white glass, with its superior optics and optoelectronics combined with a photovoltaic screen, is a new and promising field.