Patent ID: 6077798
Filing Date: 2000-06-20
Classification: C03C

Abstract:
A mineral fiber having a composition comprising the following components in the indicated weight percents: SiO.sub.2 48-64 Al.sub.2 O.sub.3 0-6 MgO at least 21-31 CaO 11-20 Iron Oxide 4.2-8 (as FeO) K.sub.2 O 0-5 Na.sub.2 O 0-5 TiO.sub.2 0-3  wherein the total weight of Na.sub.2 O and K.sub.2 O does not exceed 5%, the total weight of all components, including trace elements, if any, is 100%, and the mineral fiber is soluble in physiological saline solution.