Glass Compositions, Fiberizable Glass Compositions, and Glass Fibers Made Therefrom

摘要

New glass compositions and applications thereof are disclosed. Embodiments of the present invention relate to glass compositions, to fiber glass strands, to chopped fiber glass strands, to nonwoven mats of glass fibers, and to other products and methods. A fiber glass strand comprises a plurality of glass fibers comprising the glass composition of the present invention.

主权项

1. A glass composition suitable for fiber forming comprising:
SiO2 47-64 weight percent; Al2O3 22-36 weight percent; MgO 1-15 weight percent; CaO 0.5-7 weight percent; Na2O 0-2 weight percent; K2O 0-1 weight percent; Li2O 1-3 weight percent; B2O3 0-3 weight percent; Fe2O3 0-1 weight percent; F2 0-2 weight percent; TiO2 0-2 weight percent; ZnO 0-3 weight percent; BaO 0-6.5 weight percent; and other constituents 0-8 weight percent total.