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CR39 UV400白片采用进口1.499单体生产，弯度0弯，0.5弯，2弯，4弯，5弯，6弯，8弯多种弯度，直径70,73,75,80多种直径可以选择。是CR39太阳镜片染色基片。
CR39 UV400 clear lenses are manufactured using imported 1.499 monomer and are available in a variety of base curves, including 0, 0.5, 2, 4, 5, 6, and 8, as well as multiple diameters such as 70, 73, 75, and 80. These serve as the base material for tinted CR39 sunglass lenses.
