Primary pressure-sizing molding crystalloid glass and preparation method thereof

Primary pressure-sizing molding crystalloid glass and preparation method thereof

  • CN 102,211,869 A
  • Filed: 04/12/2011
  • Published: 10/12/2011
  • Est. Priority Date: 04/12/2011
  • Status: Active Application
First Claim
Patent Images

1. pressure-sizing moulding crystal glass once, it is characterized in that:

  • it comprises the weight part of following composition;

    SiO 2;

    69~

    74;

    Aluminum compound;

    0.5~

    3;

    Calcium cpd;

    1~

    6;

    Barium compound;

    0.5~

    4;

    B 2O 3;

    0.5~

    4;

    Potassium compound;

    10~

    20;

    Sodium compound;

    1~

    6;

    ZnO;

    1~

    5;

    Sb 2O 3;

    0.5~

    4;

    Er 2O 3;

    0.002~

    0.01;

    Nd 2O 3;

    0.006~

    0.009.

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