Curtain fabric material for folding curtain device, has two fabric layers and intermediate film sandwiched between fabric layers, and light-impermeable layer is formed on surface of intermediate film

摘要

The curtain fabric material (1) has two fabric layers (11) and an intermediate film (12) sandwiched between the fabric layers. A light-impermeable layer (13) is formed on a surface of the intermediate film. The intermediate film is formed of plastic, particularly polyethylene terephthalate. The light-impermeable layer is a metal layer. The metal layer comprises metal, particularly zinc or aluminum. The fabric layers are non-woven fabrics.