The preparation method of the high-efficiency fireproof heatinsulating material comprises the following steps: preparing the lyosol by utilizing tetraethoxysilane(TEOS) and hydrochloric acid;
所述高效防火绝热材料的制备方法为：利用正硅酸乙脂（TEOS）和盐酸配制液体溶胶；
2
The electric cooker of the utility model has the advantages of high structure intensity, good insulating property, high heatefficiency, low power consumption and distinctive effect of energy saving.