C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 13/06 (2006.01) C04B 35/18 (2006.01) C04B 35/622 (2006.01)
Patent
CA 2073872
The invention relates to high-temperature resistant mineral fibres having the following composition: SiO2: 34-42 % by weight; Al2O3: 31-38 by weight; TiO2: 0-1 by weight; FeO: 2.5-7.5 by weight; CaO: 17-21 by weight; MgO: 0.5-4.3 by weight; Na2O: 0.3-1.5 by weight; K2O: 0.1-2.3 by weight:
L'invention se rapporte à des fibres minérales résistant aux températures élevées ayant la composition suivante: 34 à 42 % en poids de SiO2, 31 à 38 % en poids de Al2O3, 0 à 1 % en poids de TiO2, 2,5 à 7,5 % en poids de FeO, 17 à 21 % en poids de CaO, 0,5 à 4,3 % en poids de MgO, 0,3 à 1,5 % en poids de Na2O, et 0,1 à 2,3 % en poids de K2O.
Fetherstonhaugh & Co.
Rockwool International A/s
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