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US 2026/0138914 A1Published application
Glass composition for insulation fibers and fiberization method for obtaining such fibers.
AssigneeSaint-Gobain Isover
InventorGuillaume BARBA ROSSA
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Abstract
A glass composition for insulation fiber includes, in mass percentage:SiO2: between 62.0% and 65.0%, Na2O: between 14.0 and 15.5%, CaO: between 6.0 and 9.0%, MgO: between 1.5 and 4.0%, B2O3: between 5.5 and 7.5%, Al2O3: between 1.5 and 2.5%, K2O: between 0 and 2.0%, other oxide(s): between 0 and 5.0% by weight cumulatively, such as between 0 and 2.0% cumulatively, wherein the Na2O/B2O3 ratio is between 1.90 and 2.80.
Claims23
A glass composition for insulation fiber comprising, in mass percentage:
- SiO2:
- between 62.0% and 65.0%,
- Na2O:
- between 14.0 and 15.5%,
- CaO:
- between 6.0 and 9.0%,
- MgO:
- between 1.5 and 4.0%,
- B2O3:
- between 5.5 and 7.5%,
- Al2O3:
- between 1.5 and 2.5%,
- K2O:
- between 0 and 2.0%,
- other oxide(s):
- between 0 and 5.0% by weight cumulatively,
- wherein the Na2O/B2O3 ratio is between 1.90 and 2.80.
14 more elements
Dependencies are inferred from the claim text.