Alkali metal aluminosilicate glass for 3D precision moulding and hot bending

Alkali metal aluminosilicate glass for 3D precision moulding and hot bending

  • CN 102,249,542 A
  • Filed: 05/18/2010
  • Published: 11/23/2011
  • Est. Priority Date: 05/18/2010
  • Status: Active Application
First Claim
Patent Images

1. alkali metal aluminosilicate glass that is used for 3D accurate die pressing and thermal flexure, with the summation meter of all components, described glass contains:

  • Form wt.%SiO 2 51-63%

    Al 2O 3 5-18%

    Na 2O 8-16%

    K 2O 0-6%

    MgO 3.5-10%

    B 2O 3 0-5%

    Li 2O 0-4.5%

    ZnO 0-5%

    CaO 0-8%

    ZrO 2 0.1-2.5%

    CeO 2 0.01-<

    0.2%

    F 2 0-0.5%

    SnO 2 0.01-0.5%

    BaO 0-3%

    SrO 0-3%

    Yb 2O 3 0-0.5%

    SiO 2+Al 2O 3 63-81%

    CaO+MgO 3.5-18%

    Na 2O/(Li 2O+Na 2O+K 2O) 0.4-1.5。

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