Introduction Pyrex Heat Order refers to the systematic exploration of the heat resistance properties and applications of Pyrex glassware, a type of borosilicate glass renowned for its durability and resistance to thermal shock. http://Hu.Feng.Ku.Angn.I.Ub.I.xn%EF%BC%8C.xn%EF%BC%[email protected]/ox/shogo/ONEE/g_book/g_book.cgi