Glass-fiber compositions

Details Glass-fiber compositions Glass-fiber compositions

C - Chemistry, Metallurgy

03

C

C03C 13/00 (2006.01)

Patent

CA 2167826

A biologically degradable mineral-fiber composition characterized by the following constituents in percent by weight: SiO2 45 to 60; Al2O3 less than 2; CaO + MgO 10 to 16; Na2O + K2O 14 to 20; B2O3 7 to 18; P2O5 0 to 4; BaO 1 to 5; Ti, Zr, Zn, Sr, Fe, Mn oxide 0 to 1.5; Diverse up to 0.5.

Une composition de fibres minérales, biodégradable se caractérise par les constituants suivants, en pourcentage en poids: SiO¿2? 45 à 60; Al¿2?O¿3? moins de 2; CaO + MgO 10 à 16; Na¿2?O + K¿2?O 14 à 20; B¿2?O¿3? 7 à 18; P¿2?O¿5? 0 à 4; BaO 1 à 5; Ti, Zr, Zn, Sr, Fe, oxyde Mn 0 à 1,5; Divers jusqu'à 0,5.

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