Patent ID: 6043170
Filing Date: 2000-03-28
Classification: C03C

Abstract:
A mineral fiber composition comprising in weight per cent: SiO.sub.2 30 to <47 Al.sub.2 O.sub.3 .ltoreq.24 to CaO 20 4 to MgO 15 0 to Na.sub.2 O + K.sub.2 O >10 to .ltoreq.18 TiO.sub.2 + Fe.sub.2 O.sub.3 7 to 16  wherein K.sub.2 O is greater than 1.5 weight per cent, Na.sub.2 O is not less than 4.4 weight per cent, andwherein said mineral fiber composition decomposes in vivo after introduction into animals or humans.