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The composition of glass beads

Views:3     Author:Site Editor     Publish Time: 2021-03-11      Origin:Site

  • The composition of glass beads : SiO2 >67%, CaO>8.0%  MgO>2.5%  Na2O<14%,  Al2O3 0.5-2.0  Fe2O3 >0.15  other 2.0%


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