| abstract |
The present invention provides a heat ray-shielding material which includes metal particle-containing layer containing at least one kind of metal particle, wherein the metal particle contains substantially hexagonal or substantially discoidal metallic flat particles in an amount of 60% by number or more, and the main planes of the metallic flat particles are oriented at an angle ranging from 0° to ±30° relative to one surface of the metal particle-containing layer. |