CPC B29C 43/006 (2013.01) [B27N 3/002 (2013.01); B27N 3/18 (2013.01); D04H 1/587 (2013.01); D04H 1/60 (2013.01); D04H 1/732 (2013.01)] | 5 Claims |
1. A method for manufacturing a compact, comprising:
a mixing step of mixing a fiber and a powder of a binder to obtain a mixture;
an accumulating step of making the mixture fall and accumulate on an accumulation surface to form a web on the accumulation surface;
a humidifying step of adding water to the web such that the web has a moisture content of 7.0 mass % or more and 50.0 mass % or less with respect to the total mass of the web; and
a forming step of pressurizing the water-added web and heating the water-added web at a temperature of 50.0° C. or more and 100.0° C. or less to obtain a compact, wherein
the binder is starch that binds between fiber molecules by the addition of water; and
the powder of the binder has an average particle diameter (D50) of 20.0 μm or less.
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