Mineral wool composition

Details Mineral wool composition Mineral wool composition

2005-05-24

2005-05-24

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S035000, C501S066000, C501S070000

Reexamination Certificate

active

06897173

ABSTRACT:
Mineral wool capable of dissolving in a physiological medium, and which comprises fibers whose constituents are mentioned below in the following percentages by weight:SiO235-60%, preferably39-55% Al2O312-27%, ″16-25% CaO0-35%,″3-25%MgO0-30%,″0-15%Na2O0-17%,″6-12%K2O0-17%,″3-12%R2O (Na2O + K2O)10-17%, ″12-17% P2O50-5%, ″0-2% Fe2O30-20%,B2O30-8%, ″0-4% TiO20-3%, and also comprises a phosphorus compound, the phosphorus content of which, expressed in P2O5form, varies from 0.2%, especially from more than 0.5%, to 5%, especially to less than 2%, of the total mass of fibers, which is capable of reacting above 100° C. with the fibers to form a coating on the surface of the fibers.

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