... tempered glass.High fire-resistance: it will not crack under the condition of 1000'C flame, and stop effectivel flame ... Applicaiton ScopeApply widely to top grade tower blocks. For example the guesthouses, hotels, marketplaces, libraries, museums, business center mansions, ... integrality and heat insulation.B type: can meet the requirements both of firproofing integrality and thermal radiation intensity ...