Borosilicate single piece fire-resistant glass cannot be used in those areas which are explicitly demanded to have the function of heat resistance or radiation resistance. Borosilicate single piece fire-resistant glass is processed by specific technology. It cannot be cut, drilled, polished, after it forming by special process. We will provide the detailed Toughened Parameters to our customers, if you need doing some other process on the glass by yourselves. Besides, please tell us your accurate size and shape requirements about the glass before ordering.