| http://www.w3.org/ns/prov#value | - dy, it is necessary to adjust the temperature of firing, it becomes easier for the pore diameter to be adjusted by adjusting the particle diameter of the inorganic powder.The above mentioned organic binder is not limited in particular, and binders such as methyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, polyethylene glycol and the like, for example, are acceptable for use.
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