Glass composition for insulation fibers and fiber-making process for obtaining such fibers.

FR3168591A1Pending Publication Date: 2026-05-22SAINT GOBAIN ISOVER
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Patent Information

Application Number
FR2024012690
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2026-05-22
Patent Text Reader

Abstract

Glass composition for insulation fiber comprising, in mass percentages: SiO2: between 62.0% and 65.0%, Na2O: between 14.0% and 16.0%, 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% cumulative by weight, preferably between 0% and 2.0% cumulative, wherein the Na2O / B2O3 ratio is between 1.90 and 2.80. Insulation fibers obtained from said composition and process for manufacturing such fibers.
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Citation Information

Patent Citations

  • Glass fiber blanket and producing method thereof

    CN103103695A

  • Glass fibres degradable in physiological medium

    EP0412878A1

  • Glass fibre producing composition and biosoluble glass fibre produced therefrom

    WO2014171561A1