| 摘要 |
PROBLEM TO BE SOLVED: To provide a polystyrene resin foamed sheet for thermoforming which suppresses occurrence of cracks of a molding while keeping excellent appearance, light-weight properties, thermal formability, and the like.SOLUTION: In a polystyrene resin foamed sheet 1 for thermoforming having a stripe-shaped pattern, which is laminated in a stripe shape and is formed by a colored portion 3 containing a polystyrene resin and a coloring agent, laminated on at least one surface of a polystyrene resin foamed layer 2, an apparent density (D1) of the whole foamed sheet 1 is 0.05-0.30 g/cm, a thickness of the foamed sheet is 1-3 mm, the colored portion 3 is foamed, and a ratio (D2/D1) of an average value (D2) of apparent densities of a surfaced layer portion from the surface of a surface side where the colored portion 3 is laminated to a depth of 0.2 mm in a thickness direction to the apparent density (D1) of the whole foamed sheet 1 is 1.5-2.4.SELECTED DRAWING: Figure 1 |
