Resistant to but not wholly proof from the effects of fire or intense heat.(adjective)
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Use "heat-resistant" in a sentence
"Examples named in the indictment include specialized welding wire, hardened and heat-resistant stainless steel, commercial bronze bars and testing equipment."
"The other winners, FYI, were a better human authentication tool for websites and a material science innovation, a heat-resistant filter made from titanium dioxide."
"After several years of tests, France' s nuclear safety agency concluded that the plant was safe, but said EDF must reinforce the reactor's base with more heat-resistant concrete, as well as install additional equipment to ensure the reactor remains cool even in the event of an accident."