person who works in refractoriosEl term refractory materials refers to the property of certain materials to withstand high temperatures without decomposing. These, are used to make crucibles and coatings of furnaces and incinerators. There is a clear border between refractory materials and those who are not, but one of the common features which calls for a material to consider it as such is that it can withstand temperatures above 1100 ° C without soften.