Patent ID: 8663545

Claim:
A method of manufacturing a honeycomb structure, comprising the steps of: kneading and forming a forming material containing a cordierite forming material and an organic binder to prepare a honeycomb formed article, and firing the prepared honeycomb formed article to obtain a honeycomb structure mainly composed of cordierite; wherein the cordierite forming material comprises a layered clay mineral having a layer charge X of 0.2<X≦2; wherein an amount of the layered clay mineral in the cordierite forming material is 0.05 mass % to 20 mass % with respect to a total amount of the cordierite forming material; wherein a total amount of at least one element selected from the group consisting of sodium, potassium, and calcium in the layered clay mineral of the cordierite forming material is 0.5% by mass or less in terms of an oxide with respect to the total amount of the cordierite forming material; and wherein the organic binder comprises 0% to 5% by mass with respect to 100 parts by mass in total of the cordierite forming material including the layered clay mineral.