Back to results
US 5,312,806 AGranted
Mineral fibres
AssigneeRockwool International A/S
InventorGurli Mogensen
Life of this patent
Estimating the term…
Abstract
Mineral fibers that include, by weight, 34-42% SiO.sub.2, 31-38% Al.sub.2 O.sub.3, 0-1% TiO.sub.2, 2.5-7.5% FeO, 17-21% CaO, 0.5-43% MgO, 0.3-1.5% Na.sub.2 O and 0.1-2.3% K.sub.2 O display very high temperature resistance.
Claims2
High temperature resistant mineral fibres consisting essentially of:
- ______________________________________ SiO.sub.2 :
- 34-42 % by weight Al.sub.2 O.sub.3 :
- 31-38 % by weight TiO.sub.2 :
- 0-1 % by weight FeO:
- 2.5-7.5 % by weight CaO:
- 17-21 % by weight MgO:
- 0.5-4.3 % by weight Na.sub.2 O:
- 0.3-1.5 % by weight K.sub.2 O:
- 0.1-2.3 % by weight ______________________________________
6 more elements
Dependencies are inferred from the claim text.