BALLAST FURNACE SLAG IN LUMPS Kind Attn Import Department Pleased to inform you that we have available subject item in adequate quantity suitable for your construction (for filling the diged place), please advise your interest to enable us to submit you most competitive and favourable price with prompt delivery schedule. The specification is given below Chemical Analysis Calcium Oxide 36 - 40% Silica 36 - 39% Alumina 14 - 16 % Magnesium Oxide 9% max Maganese Oxide 1.3% max Titanium Oxide 0.881% max Iron Oxide 0.5% max Sulphur 1.5% max Your immediate reply/interest is soliccited.