Nichias Corporation

Hikari Sasaki

Kazutaka Murayama

Keiji Tsukahara

Tatsuro Miki

Kazuki Soeda

Daisuke Ando

Yuuma Tomitsuka

Hironari Fujiki

Kei Tsukada

A porous body including an inorganic fiber and an organic binder, wherein the average fiber diameter of the inorganic fiber is 2.0 μm or less, the amount of the inorganic fiber is 90% by mass or more, the amount of the organic binder is 0.5% by mass or more and 10% by mass or less, the organic binder contains an elastomer, and the bulk density of the porous body is 30 kg/mor less.

Porous body

A soundproofing material including a porous body having a cell structure and including inorganic fibers other than asbestos, wherein an average cell diameter is more than 300 &#x3bc;m and 1000 &#x3bc;m or less, a bulk density is 0.007 to 0.024 g/cm, and a flow resistivity is 170,000 to 2,000,000 Ns/m.

Soundproofing material

Growing community of inventors

Tokyo, Japan

Hikari Sasaki