Saline soluble inorganic fibres

Details Saline soluble inorganic fibres Saline soluble inorganic fibres

2006-12-26

2006-12-26

Lorengo, J. A. (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S035000, C501S064000

Reexamination Certificate

active

07153796

ABSTRACT:
Thermal insulation is provided for use in applications requiring continuous resistance to temperatures of 1260° C. without reaction with alumino-silicate firebricks, the insulation comprises fibers having a composition in wt %65%<SiO2<86%MgO<10%14%<CaO<28%Al2O3<2%ZrO2<3%B2O3<5%P2O5<5%72%<SiO2+ZrO2+B2O3+5*P2O595%<SiO2+CaO+MgO+Al2O3+ZrO2+B2O3+P2O5Addition of elements selected from the group Sc, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y or mixtures thereof improves fiber quality and the strength of blankets made from the fibers.

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