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    • 2. 发明专利
    • METAL SIZING BOARD FOR OUTER WALL
    • JPH0913626A
    • 1997-01-14
    • JP16897895
    • 1995-07-04
    • MORIOKA YOSHIO
    • MORIOKA YOSHIO
    • E04F13/12B32B15/08B32B15/095E04B1/80
    • PROBLEM TO BE SOLVED: To improve the fire protecting performance of a filter by providing the filler formed of a hard plastic foam containing baked powder of diatomaceous earth. SOLUTION: This sizing board is formed of a surface material 1 having female and male fitting parts 11b, 11c formed on both side edges thereof, a filler 12 to be filled in the surface material 1, and a reverse material 13 to be stuck to the reverse side of the filler 12. The filler 12 is formed by mixing a prescribed quantity of baked powder of diatomaceous earth into a foamed raw solution of hard plastic foam, and foaming and filling it into the surface material 11. The content ratio of the baked powder of diatomaceous earth is set to 5-20% by weight, and the water protecting performance of the hard plastic foam itself is improved according to the content ratio of the baked powder of diatomaceous earth to be mixed into the filler 12, and such an improving effect becomes remarkable as the content of the baked powder of diatomaceous earth is increased.