Glass-fiber compositions

Details Glass-fiber compositions Glass-fiber compositions

C - Chemistry, Metallurgy

03

C

C03C 13/00 (2006.01) C03C 13/02 (2006.01)

Patent

CA 2167077

A biologically degradable mineral-fiber composition characterized by the following constituents in percent by weight: SiO2 50 to 60; Al2O3 less than 2; CaO + MgO 10 to 16; Na2O + K2O 14 to 19; B2O3 7 to 16; TiO2 0 to 4; ZrO2 0 to 5; ZnO 0 to 5; MnO 0 to 4; BaO 0 to 5; TiO2, ZrO2, ZnO, MnO, BaO 1 to 6; Fe2O3, SrO 0 to 2; F, Li2O 0 to 2; P2O3 0 to 4.

Une composition de fibres minérales, biologiquement dégradables se caractérise par les constituants suivants, en pourcentage en poids: SiO¿2? 50 à 60; Al¿2?O¿3? inférieur à 2; CaO + MgO 10 à 16; Na¿2?O + K¿2?O 14 à 19; B¿2?O¿3? 7 à 16; TiO¿2? 0 à 4; ZrO¿2? 0 à 5; ZnO 0 à 5; MnO 0 à 4; BaO 0 à 5; TiO¿2?, ZrO¿2?, ZnO, MnO, BaO 1 à 6; Fe¿2?O¿3?, SrO 0 à 2; F, Li¿2?O 0 à 2; P¿2?O¿3? 0 à 4.

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