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    • 5. 发明授权
    • Fiberglass compositions
    • 玻璃纤维组合物
    • US08334228B2
    • 2012-12-18
    • US12637737
    • 2009-12-14
    • Yuqiang ZhangGuorong CaoBing ZhangLin ZhangWenzhong XingGuijiang Gu
    • Yuqiang ZhangGuorong CaoBing ZhangLin ZhangWenzhong XingGuijiang Gu
    • C03C13/02C03C13/06
    • C03C13/00
    • This invention involves a fiberglass composition containing the following components: SiO2, Al2O3, CaO, MgO, B2O3, F2, TiO2, K2O, Na2O, Fe2O3 and SO3. The weight percentage of each of the components are as follows: SiO2 58˜65%, CaO 20˜26%, Al2O3 9˜17%, MgO 0.5˜1%, B2O3 0˜5%, F2 0˜1%, TiO2 0.1˜1%, K2O+Na2O 0˜0.8%, Fe2O3 0.1˜0.5%, SO3 0˜0.6%. The ternary system, SiO2—Al2O3—CaO, is basis of the fiberglass composition in this invention, which also has low quantities of MgO and B2O3. In addition, the total amount of alkaline earth oxide and the proportional relationship between MgO and CaO are rationally designed, which helps to improve the mechanical strength, heat resistance, and chemical stability of the glass. It also has excellent manufacturing performance. Moreover, the raw materials of the fiberglass composition in this invention are low in cost, and the invention meets environmental protection requirements.
    • 本发明涉及含有以下组分的玻璃纤维组合物:SiO2,Al2O3,CaO,MgO,B2O3,F2,TiO2,K2O,Na2O,Fe2O3和SO3。 每种组分的重量百分比如下:SiO 2 58〜65%,CaO 20〜26%,Al 2 O 3 9〜17%,MgO 0.5〜1%,B 2 O 3〜5%,F2 0〜1%,TiO 2 0.1 〜1%,K2O + Na2O 0〜0.8%,Fe2O3 0.1〜0.5%,SO3 0〜0.6%。 三元体系SiO2-Al2O3-CaO是本发明玻璃纤维组合物的基础,它也具有低量的MgO和B2O3。 此外,合理设计碱土金属的总量和MgO与CaO的比例关系,有利于提高玻璃的机械强度,耐热性和化学稳定性。 它也具有优良的制造性能。 此外,本发明的玻璃纤维组合物的原料成本低,本发明符合环保要求。