For float glass, due to its good uniformity in thickness and strong transparency, it is treated with tin surface to make it smooth. Under the action of flame and polishing, it forms a glass with a relatively neat surface, good flatness, and strong optical performance. This type of float glass has particularly good decorative characteristics, such as good transparency, brightness, purity, and bright indoor light. It also has a wide field of view and is a material for building doors, windows, and natural lighting. It is also one of the most widely used building materials. It can be said that among the various types of building glass, this float glass is widely used and is one of the most important raw materials for glass deep processing. Ultra white float glass is characterized by its transparency and purity.