Provided is an infrared reflective substrate having both a high visible light transmittance and a high heat shielding property. The infrared reflective substrate comprises a transparent substrate member and an infrared reflective layer, wherein the infrared reflective substrate has a visible light absorption rate of 0.3 or less, and a reflectance whose slope in a wavelength range of 700 nm to 600 nm is 0.12 or more.
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