| abstract |
(57) [Summary] [Purpose] As a packing material to replace Styrofoam, cushioning properties, water resistance and material strength (breaking strength, breaking elongation, etc.) An excellent pulp mold material is obtained. [Structure] A pulp mold material contains pulp 1 as a main component and hollow particles 2. This material further includes a pulp plasticizer such as glycerin, a water resistance imparting agent such as rosin-based sizing agent, a biodegradable binder such as chitosan, and a fiber length of 10 It is preferable to contain a non-pulp natural fiber of mm or more, and it is preferable to use a foaming agent. |