The effective width is 1.15m, and the length is customized according to customer requirements; The range of thermal insulation effect of the baking board galvanized with color steel is below 280 degrees. Normally, the temperature of the furnace body is about 200 degrees, and the baking board with a thickness of more than 100mm should be used; The furnace body temperature is about 250 degrees, and the thickness shall be more than 150mm.