Barium and strontium-free vitreous or glass-ceramic jointing material and its use

摘要

A vitreous or glass-ceramic jointing material, which has a coefficient of thermal expansion α(20-750) of ≧7·10−6 K−1 and is free of BaO and SrO except for at the most impurities and is suitable for producing joint connections between chromium-containing alloys or chromium-containing steels.