After the single piece of fireproof glass is processed and manufactured, it cannot be cut. Because the fireproof glass is deeply processed in the original glass, it needs to be tempered. So it can't be cut after making according to the size.

Monolithic fireproof glass is made by toughening general float glass through physical and chemical treatment technology, so it has excellent temperature resistance and heat burst resistance. In case of fire, it will not burst within a certain fire resistance time, so it can separate flame and smoke.

In this sense, it has fireproof function and belongs to class C fireproof glass. However, it has high thermal irradiance when heated, and the heat on the fire side will quickly radiate to the back fire side, which directly affects the fire prevention of the back fire side, so that its application is greatly limited. Strictly speaking, it is more appropriate to call this kind of fireproof glass "smoke proof glass".