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US 2021/0230050 A1Published application
Glass Compositions, Fiberizable Glass Compositions, and Glass Fibers Made Therefrom
AssigneeElectric Glass Fiber America, LLC
InventorsHong Li, Paul A. Westbrook
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Abstract
Embodiments of the present invention provide glass compositions, fiberizable glass compositions, and glass fibers formed from such compositions, as well as glass strands, yarns, fabrics, and composites comprising such glass fibers adapted for use in various applications. In some embodiments of the present invention, the glass compositions additionally include at least one rare earth oxide.
Claims1
A glass composition suitable for fiber forming comprising:
- SiO2
- 56-68
- weight percent;
- Al2O3
- 11 to less than 20 weight percent;
- CaO
- 12 weight percent or less;
- MgO
- 7-17
- weight percent;
- Na2O
- 0-1
- weight percent;
- K2O
- 0-1
- weight percent;
- Li2O
- 0-5
- weight percent;
- TiO2
- 0-2
- weight percent;
- B2O3
- 0-3
- weight percent;
- Fe2O3
- 0-1
- weight percent;
- SnO2
- 0-4
- weight percent;
- ZnO
- 0-4
- weight percent;
- at least one rare earth oxide in an amount not less than 0.05 weight percent;
- and
- other constituents 0-11 weight percent total.
34 more elements
Dependencies are inferred from the claim text.