C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/16
C03C 3/083 (2006.01) C03C 3/078 (2006.01) C03C 3/087 (2006.01) C03C 3/089 (2006.01) C03C 13/00 (2006.01)
Patent
CA 2017344
Glass fibres which are distinguished by either greatly reduced carcinogenicity have an average fibre diameter of <8 µm, preferably ,3µm, with more than 10% of the fibres having a diameter of ,3µm. The types of glass used for producing these fibres are characterised by containing the following compounds in the proportions shown in mol-%: 55-70 % SiO2, 0-5 % B2O3, 0-3 % Al2O3, 0-6 % TiO2, 0-2 % iron oxides 0-5 % MgO, 8-24 % CaO, 10-20 % Na2O, 0-5 % K2O and 0-2 % fluoride.
Christoph Geert
Nyssen Peter R.
Wagner Wolfram
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
Grunzweig + Hartmann Ag
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