| 摘要 |
PROBLEM TO BE SOLVED: To provide an agricultural film the surface of which is prevented from being stained and whose effect for suppressing ground temperature elevation is not decreased and whose staining is simply removed even if the surface of the film is stained. SOLUTION: The agricultural film is characterized by comprising a multi- layered film whose base resin is a polyolefin resin and comprising at least three layers of a black layer, a white layer and a transparent layer and a product of a value of concentration (wt.%) of titanium dioxide in the white layer and a value of thickness (μm) being at least 500. COPYRIGHT: (C)2003,JPO
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