MAN-MADE VITREOUS FIBRES

The product of man-made vitreous fibres is made of the oxides mixture, with weight composition: 36 to 55 % of SiO2, 15 to 30 % of Al2O3, 3 to 30 % of CaO, 5 to 20 % MgO, 4 to 15 % of FeO, 1 to 12 % of Na2O + K2O, up to 6 % of TiO2 and up to 15 % of other elements, whilst the ratio of Si4+ to Si4+ +...

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Main Authors RASMUSSEN SVEND G, JENSEN SOREN L, CHRISTENSEN VERMUND R, GULDBERG MARIANNE
Format Patent
LanguageEnglish
Published 11.02.1999
Edition6
Subjects
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
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Abstract The product of man-made vitreous fibres is made of the oxides mixture, with weight composition: 36 to 55 % of SiO2, 15 to 30 % of Al2O3, 3 to 30 % of CaO, 5 to 20 % MgO, 4 to 15 % of FeO, 1 to 12 % of Na2O + K2O, up to 6 % of TiO2 and up to 15 % of other elements, whilst the ratio of Si4+ to Si4+ + Al3+ in the oxides mixture is up to 0.67, a viscosity at the liquidus temperature of above 30 Pa.s and, a liquidus temperature of below 1300 C, a solubility at pH 4.5 of at least 20 nm per day. Disclosed are also two production methods according to this invention.
AbstractList The product of man-made vitreous fibres is made of the oxides mixture, with weight composition: 36 to 55 % of SiO2, 15 to 30 % of Al2O3, 3 to 30 % of CaO, 5 to 20 % MgO, 4 to 15 % of FeO, 1 to 12 % of Na2O + K2O, up to 6 % of TiO2 and up to 15 % of other elements, whilst the ratio of Si4+ to Si4+ + Al3+ in the oxides mixture is up to 0.67, a viscosity at the liquidus temperature of above 30 Pa.s and, a liquidus temperature of below 1300 C, a solubility at pH 4.5 of at least 20 nm per day. Disclosed are also two production methods according to this invention.
Author JENSEN SOREN L
CHRISTENSEN VERMUND R
RASMUSSEN SVEND G
GULDBERG MARIANNE
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Snippet The product of man-made vitreous fibres is made of the oxides mixture, with weight composition: 36 to 55 % of SiO2, 15 to 30 % of Al2O3, 3 to 30 % of CaO, 5 to...
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SubjectTerms CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
Title MAN-MADE VITREOUS FIBRES
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