Which is better, coated glass or ordinary glass?

According to the use requirements, each has its own functions.

1. Different films: The surface of coated glass is coated with one or more films, which are made of metals, alloys and metal compounds. But for ordinary glass, its surface is not coated.

2. Different functions: As the surface of coated glass is coated with films of different materials, the optical properties can be changed to meet certain use requirements. Ordinary glass can only meet our daily needs, such as blocking light or transmitting light.