| 摘要 |
The present invention relates to a natural adhesive which is a fermented product of a mixture comprising: at least one sort of minerals selected among sodium silicate, red clay, feldspar, borax, casein, and sericite; and an enzymatic composition which is a fermented product of a mixture composed of rice bran or barley bran, yeast or malt, and sugar. The present invention further relates to a sandwich panel comprising at least one sort of minerals selected from the group composed of the natural adhesive, vermicullite, perlite, and ceramic clay. The present invention also relates to a method for producing the sandwich panel. |
