| 摘要 |
PROBLEM TO BE SOLVED: To provide an infrared reflectivity laminate that has superior heat resistance, flexibility, weatherability, processability, productivity and a handling property, while having a property to prevent the thermal storage by reflecting the infrared of the specific wavelength even if colored black or chromatic color, etc. outwardly, and especially, a back sheet for a solar battery.SOLUTION: There is provided an infrared reflectivity laminate that includes a layer (B) as a base material layer, a layer (A) on one side of the layer (B) and a layer (C) on the other side of the layer (B), wherein thickness (H) of the layer (A), and thickness (H) of the layer (C) satisfy following formula (1). Layer (A): a colored resin layer whose absorptivity of light of wavelength 800-1,400 nm is 10% or less, and layer (C); a colored resin layer whose reflectance of light of wavelength 400-1,400 nm is 50% or more. 0.75≤HA/HC≤1.25 (1). |
