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  1. 偏光レンズの素材は何がオススメ?有名な「CR-39」「 MR ...

  2. CR-39 - プラスチック素材辞典

  3. PPG CR-39 Monomer | PPG Optical Materials

    WebFor more than seven decades, lens wearers have relied on our 1.5 index lens material, PPG CR-39 monomer, for outstanding optical quality and durability. Performance Our proprietary PPG CR-39 allyl-diglycol-carbonate (ADC) monomer combines the optics of glass with the durability of a …

  4. ジエチレングリコール・ビス・アリルカーボネート ...

  5. Polycarbonate vs. Plastic Lenses: Which is Better? - All ...

  6. CR39 Lens Technology : Imperial Optics

    WebCR-39 is a type of plastic lens with high abrasion resistance and refractive index. Imperial Optics uses CR-39 to make polarized lenses with superior sun protection and quality.

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