pyrex temperature limit
But rest easyvintage Pyrex dishes are oven-safe. The glass itself can take more heat than a home oven can provide can be put through even a 932F 500C self-clean cycle routinely without distorting or disoloring. Can You Broil Pyrex Foods Guy Pyrex Use Care Pyrex is supposed to be good from -192 C to 500 C. . Answer 1 of 2. According to tests conducted by the National Institute of. Pyrex casserole dishes and roasters could go into a very hot oven and an icebox or refrigerator with no problem. 230C 446F Lower Working Temp-230C -382F Max. The practical upper limit for operating temperatures Is much lower and is con. However Pyrex can also be susceptible to thermal shock which means that it will crack at a certain temperature. The maximum working temperature for. Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Most PYREX glassware is made from Code 7740 PYREX borosili...