Switch to Bing in English
Copilot
Your everyday AI companion
About 85,900,000 results
  1. See more
    See more
    See all on Wikipedia
    See more

    CR-39 - Wikipedia

    The term CR-39 technically refers to the ADC monomer, but is more commonly used to refer to the finished plastic. The abbreviation stands for "Columbia Resin #39", which was the 39th formula of a thermosetting plastic project in See more

    Poly(allyl diglycol carbonate) (PADC) is a plastic commonly used in the manufacture of eyeglass lenses alongside the material PMMA ( See more

    Applications image
    Overview image

    CR-39 is made by polymerization of ADC in presence of diisopropyl peroxydicarbonate (IPP) initiator. The presence of the allyl groups allows the polymer to form cross-links; thus, it is a thermoset resin. The polymerization schedule of ADC … See more

    Optics
    CR-39 is transparent in the visible spectrum and is almost completely opaque in the See more

    Wikipedia text under CC-BY-SA license
    Feedback
  2. 偏光レンズの素材は何がオススメ?有名な「CR-39」「 MR ...

  3. CR-39 - プラスチック素材辞典

  4. PPG CR-39 Monomer | PPG Optical Materials

    WEBOur proprietary PPG CR-39 allyl-diglycol-carbonate (ADC) monomer combines the optics of glass with the durability of a thermoset material. The benefits are clear.

  5. ジエチレングリコール・ビス・アリルカーボネート ...

  6. 固体飛跡検出器 - ATOMICA - JAEA

  7. CR-39 VS Glass Lenses | Eye Health HQ

    WEBAug 19, 2018 · Learn the differences and benefits of CR-39 plastic and glass lenses, two outdated but still popular lens materials. Compare their weight, clarity, scratch resistance, impact resistance, and more.

  8. Standard Plastic Lens Material Explained | EyeglassUniverse

  9. Cokinフィルターの素材:CR-39 | ケンコー・トキナー

    WEBCR-39は光学プラスチックで、高い光学性能と染色性を持つ素材です。CokinフィルターはCR-39に染料を浸して色付けし、色付けが剥がれない特徴があります。

  10. CR-39 Plastic Lenses

    WEBPossessing an index refraction of 1.50, CR-39 is the most widely used lens type on the market. With the increase in technology, many consumers have begun to shift towards other thinner and lighter materials. However, CR-39 remains the popular choice of many due to its affordable pricing and …

By using this site you agree to the use of cookies for analytics, personalized content, and ads.Learn more about third party cookies|Microsoft Privacy Policy