university. the heat that is mostly used to protect the structures under high temperature stress of 2000 kelvin is used to make this type of plastic waste with a kind of resin under operation. they are placed thermally. for this purpose, we tried to make the structure of the resin and insert functional groups into the structure and skeleton of the resin. after that, we were able to mix this resin with rubber combine other polymers. after our resin was modified, we tried to use it with modern rubber, which has better properties than conventional rubber, and to make a thermal insulator with this, by designing a different formulation , we were able to design a thermal insulator with special properties. and then produce it, preventing the destruction of the walls of fluid transmission pipes and increasing the useful life , among the advantages of producing this product is a strategy needed in the industry . the same aiqs are properties they have a lower temperature, and at the same time , their therm