"

欢迎来到⚽_欧冠哪个网站能买球✅亚洲最专业体育平台✅欧冠哪个网站能买球,一款直播,赛事,于一体顶尖原生APP,欧冠哪个网站能买球,非常注重客户体验��7*24H在线服务��邀请您入住��️‍��

  • <dd id="phli2"><pre id="phli2"></pre></dd>
    <em id="phli2"></em>
    <em id="phli2"><acronym id="phli2"><u id="phli2"></u></acronym></em>

    <li id="phli2"><acronym id="phli2"></acronym></li>

    <progress id="phli2"><track id="phli2"></track></progress>
  • "
    Optics
    Low Softening Point Preform
    Low Softening Point Preform

      The company can produce low softening point preform with various shapes and materials, and preform is used for precision molding. The molded product is widely used as the lens of digital camera, projector, vehicle, CCTV lens, gun sighting, mobile camera, and intelligent visual. The low softening point optical glass includes D-K, D-PK, D-ZPK, D-ZK, D-LaK, D-ZF, D-LaF, D-ZLaF.

      The shape of the low softening point preform is spherical, Bi planar wafers, ball, etc. The product can be customized according to customer requirements.



    Item

    Spherical preform

    Biplane preform

    Ordinary ball

    Fiber ball

    Outer diameter

    6mm~90mm

    5mm~150mm

    0.5mm~30mm

    2mm

    Outer diameter tolerance

    ±0.008mm


    ±(0.003~0.015)mm

    ±0.003mm

    Thickness tolerance

    ±0.02mm

    ±(0.01~0.05)mm



    Radius of curvature

    R≥3mm




    Surface defects(MIL)

    20-10

    20-10

    40-20

    20-10

    Sphericity



    0.002mm

    0.0004mm


    Product pictures
    欧冠哪个网站能买球
  • <dd id="phli2"><pre id="phli2"></pre></dd>
    <em id="phli2"></em>
    <em id="phli2"><acronym id="phli2"><u id="phli2"></u></acronym></em>

    <li id="phli2"><acronym id="phli2"></acronym></li>

    <progress id="phli2"><track id="phli2"></track></progress>