Es Fibervisions Co., Ltd.

Es Fibervisions Hong Kong Limited

Es Fibervisions LP

Es Fibervisions Aps

Yasushi Matsuda

Yuji Koyama

Minoru Miyauchi

To provide an add-in material to be added to a porous molded body base, the add-in material being capable of developing a pore of appropriate size efficiently without degrading the formability and productivity of a porous molded body, particularly a porous fired body when producing the porous molded body. A shrinkable fiber composed of a thermoplastic resin and to be dispersed in a base of a porous molded body, particularly a porous fired body, wherein the shrinkable fiber has a fiber diameter of 10 to 40 &#x3bc;m, a fiber length of 1 to 20 mm, and a dry-heat shrinkage percentage of at least 8% when subjected to heat treatment at 80&#xb0; C. for 5 minutes.

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Osaka, Japan

Yasushi Matsuda