COMPOSITE MATERIAL, METHOD FOR MANUFACTURING COMPOSITE MATERIAL AND INTERIOR OR EXTERIOR MATERIAL FOR BUILDING

摘要

PROBLEM TO BE SOLVED: To provide a composite material which prevents black stains due to inhomogeneous corrosion by a simple process work and which improves designing property of the surface, and to provide a method for manufacturing a composite material and an interior or exterior material for a building.

SOLUTION: The composite material 1 is a sheet material to be used as an interior or exterior material of a building and contains an aluminum alloy portion 2 and a glass foamed material 4 having 0.8 to 1.2 mm diameter with deposition of anatase titanium dioxide powder 3 on the surface. The composite material 1 contains 1 to 20 vol% titanium dioxide powder 3 and 80 to 99 vol% glass foamed material 4.

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