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US 2003/0166446 A1Published application
High temperature glass fiber insulation
OwnerAlbert Lewisinventor
Life of this patent
Estimating the term…
Abstract
An improved glass composition for glass fibers having high heat resistance properties without melting, and typically comprising standard glass raw materials.
Claims12
A batch blend to produce a glass composition useful for forming glass fibers of high heat resistance, comprising:
- SiO2 in an amount ranging from about 10.23 to about 81.81 weight percent,
- Al2O3 in an amount ranging from about 2.0 to about 25.91 weight percent,
- Na2O in an amount ranging from about 0 to about 5.80 weight percent,
- K2O in an amount ranging from about 0 to about 5.70 weight percent,
- CaO in an amount ranging from about 3.76 to about 10.5 weight percent,
- MgO in an amount ranging from about 1.84 to about 10.5 weight percent,
- Fe2O3 in an amount ranging from about 4.64 to about 15.5 weight percent,
- TiO2 in an amount ranging from about 0.72 to about 3.0 weight percent,
- ZrO in an amount ranging from about 0.003 to about 5.0 weight percent, and
- MnO in an amount ranging from about 0.11 to about 6.0 weight percent.
7 more elements
A batch blend to produce a glass composition useful for forming glass fibers of high heat resistance, comprising:
- SiO2 in an amount of about 46.23 weight percent,
- Al2O3 in an amount of about 25.91 weight percent,
- Na2O in an amount of about 2.40 weight percent,
- K2O in an amount of about 0.82 weight percent,
- CaO in an amount of about 8.27 weight percent,
- MgO in an amount of about 4.06 weight percent,
- Fe2O3/FeO in an amount of about 10.22 weight percent,
- TiO2 in an amount of about 1.58 weight percent,
- Zr2O in an amount of about 0.01 weight percent,
- P2O5 in an amount of about 0.28 weight percent, and
- MnO in an amount of about 0.23 weight percent.
8 more elements
A batch blend to produce a glass composition useful for forming glass fibers of high heat resistance, comprising:
- SiO2 in an amount of about 58.12 weight percent,
- Al2O3 in an amount of about 11.15 weight percent,
- Na2O in an amount of about 2.24 weight percent,
- K2O in an amount of about 0.76 weight percent,
- CaO in an amount of about 7.71 weight percent,
- MgO in an amount of about 3.78 weight percent,
- Fe2O3/FeO in an amount of about 9.52 weight percent,
- TiO2 in an amount of about 1.48 weight percent,
- Zr2O in an amount of about 4.77 weight percent,
- P2O in an amount of about 0.26 weight percent, and
- MnO in an amount of about 0.22 weight percent.
8 more elements
A batch blend to produce a glass composition useful for forming glass fibers of high heat resistance, comprising:
- SiO2 in an amount of about 62.95 weight percent,
- Al2O3 in an amount of about 11.13 weight percent,
- Na2O in an amount of about 2.24 weight percent,
- K2O in an amount of about 2.24 weight percent,
- CaO in an amount of about 0.76 weight percent,
- MgO in an amount of about 3.77 weight percent,
- Fe2O3/FeO in an amount of about 9.51 weight percent,
- TiO2 in an amount of about 1.47 weight percent,
- Zr2O in an amount of about 0.01 weight percent,
- P2O5 in an amount of about 0.26 weight percent, and
- MnO in an amount of about 0.22 weight percent.
8 more elements
A batch blend to produce a glass composition useful for forming glass fibers of high heat resistance, comprising:
- SiO2 in an amount of about 53.69 weight percent,
- Al2O3 in an amount of about 13.84 weight percent,
- Na2O in an amount of about 2.79 weight percent,
- K2O in an amount of about 0.95 weight percent,
- CaO in an amount of about 9.61 weight percent,
- MgO in an amount of about 4.71 weight percent,
- Fe2O3/FeO in an amount of about 11.87 weight percent,
- TiO2 in an amount of about 1.83 weight percent,
- Zr2O in an amount of about 0.08 weight percent,
- P2O5 in an amount of about 0.32 weight percent, and
- MnO in an amount of about 0.27 weight percent.
8 more elements
A batch blend to produce a glass composition useful for forming glass fibers of high heat resistance, comprising:
- SiO2 in an amount of about 55.25 weight percent,
- Al2O3 in an amount of about 18.25 weight percent,
- Na2O in an amount of about 2.30 weight percent,
- K2O in an amount of about 1.80 weight percent,
- CaO in an amount of about 8.38 weight percent,
- MgO in an amount of about 3.97 weight percent,
- Fe2O3/FeO in an amount of about 8.50 weight percent,
- TiO2 in an amount of about 1.09 weight percent,
- Zr2O in an amount of about 0.31 weight percent,
- P2O5 in an amount of about 0.20 weight percent, and
- MnO in an amount of about 0.18 weight percent.
8 more elements
A batch blend to produce a glass composition useful for forming glass fibers of high heat resistance, comprising:
- SiO2 in an amount of about 67.55 weight percent,
- Al2O3 in an amount of about 9.76 weight percent,
- Na2O in an amount of about 1.96 weight percent,
- K2O in an amount of about 0.67 weight percent,
- CaO in an amount of about 6.74 weight percent,
- MgO in an amount of about 3.30 weight percent,
- Fe2O3/FeO in an amount of about 8.32 weight percent,
- TiO2 in an amount of about 1.28 weight percent,
- Zr2O in an amount of about 0.01 weight percent,
- P2O5 in an amount of about 0.22 weight percent, and
- MnO in an amount of about 0.19 weight percent.
8 more elements
A batch blend to produce a glass composition useful for forming glass fibers of high heat resistance, comprising:
- SiO2 in an amount of about 70.02 weight percent,
- Al2O3 in an amount of about 10.14 weight percent,
- Na2O in an amount of about 2.03 weight percent,
- K2O in an amount of about 0.01 weight percent,
- CaO in an amount of about 6.53 weight percent,
- MgO in an amount of about 4.26 weight percent,
- Fe2O3/FeO in an amount of about 5.26 weight percent,
- TiO2 in an amount of about 1.33 weight percent,
- Zr2O in an amount of about 0 weight percent,
- P2O5 in an amount of about 0 weight percent, and
- MnO in an amount of about 0 weight percent.
8 more elements
Dependencies are inferred from the claim text.