ULTRAVIOLET AND INFRARED RAY SHIELD GLASS
PROBLEM TO BE SOLVED: To provide a heat ray reflection glass partially improved in transmissivity by reforming a coating film. SOLUTION: A 1st layer having the refractive index of 1.8-2.0, a 2nd layer having the refractive index of >=2.1 and a 3rd layer having the refractive index of 1.6-2.0 are...
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