초록

RO means oxides of the elements from column 2a of the Periodic Table, including CaO, MgO, BaO and SrO; and R.sub.2 O means oxides from column 1a of the Periodic Table, including Na.sub.2 O, K.sub.2 O and Li.sub.2 O.

대표청구항 ▼

[ What is claimed is:] [1.] Mineral wool capable of dissolving in a physiological medium consisting of the following constituents in the indicated percentages by weight:______________________________________ (CaO + MgO + BaO + Na.sub.2 O + K.sub.2 O + B.sub.2 O.sub.3 >30% 2 .times. Al.sub.2 O.sub.3

[ What is claimed is:] [1.] Mineral wool capable of dissolving in a physiological medium consisting of the following constituents in the indicated percentages by weight:______________________________________ (CaO + MgO + BaO + Na.sub.2 O + K.sub.2 O + B.sub.2 O.sub.3 >30% 2 .times. Al.sub.2 O.sub.3 RO 13.5 to 19.5% R.sub.2 O 14.2 to 23% RO/R.sub.2 O 0.7 to 0.95 CaO/MgO > 1.5 MgO < 5.5% BaO < 2.0% SiO.sub.2 47.0 to 58.5% Al.sub.2 O.sub.3 0 to 3.5% B.sub.2 O.sub.3 5 to 10% Fe.sub.2 O.sub.3 (total iron expressed in this form) 0 to 3% ______________________________________ rein RO indicates oxides from column 2a of the Periodic Table selected from the group consisting of Cao, MgO, BaO and SrO; R.sub.2 O indicates oxides from column 1a of the Periodic Table selected from the group consisting of Na.sub.2 O, K.sub.2 O and Li.sub.2 O; and wherein the mineral has a liquidus temperature, T.sub.liq of less than 1150.degree. C. and a working range, .increment.T, of at least 30.degree. C.