Abstract: A sinter of noble metal produced by forming in a required shape or attaching to a given object a plastic art grade clayish composition or adhesion composition comprising a noble metal powder containing at least one member selected from the group consisting of pure noble metal powders and noble metal alloy powders, 0.022-3.0 wt. % of a water-soluble cellulose type resin, 0.02-3.0 wt. % of starch, or 0-0.5 wt. % of a reticular macromolecular substance formed by condensation of a component unit having phenyl propane as a backbone as an organic type binder, and water, drying to hardness the shaped composition or adhering composition, and sintering the hardened shaped composition or adhering composition at a temperature in the range of from the melting point of the noble metal and 70° C. lower than the melting point. A method for the production of the sinter of noble metal. A sinter of noble metal and an attached sinter of noble metal.

Abstract: A clayish composition for producing a molded article of noble metal consists essentially of a noble metal powder, starch and a water-soluble cellulose resin as organic binder and water. The contents of the starch and the water-soluble cellulose resin each fall in the range of 0.02-3.0% by weight, based on the total amount of the organic binder and the noble metal powder. A method for producing the sintered article of noble metal consists essentially of a step for producing the clayish composition mentioned above, a step of molding the clayish composition in a desired shape, a step of drying the molded article and a step of sintering the dried molded article.