| 摘要 |
PROBLEM TO BE SOLVED: To increase the amount of diffusion of an agent in hours of weak direct sunlight; and at the same time, to control useless diffusion of the agent in hours of strong direct sunlight to achieve a sufficient effect of the agent over a long period of time.SOLUTION: An agent impregnated material 1 which impregnates an evaporating agent is tinted by the color of which solar reflection rate measured based on JIS K5602 is 40% or less and has air permeability. |
