Granufert WSF Product information Granufert WSF 6+8+30+2MgO+traces10+5+23+2,5MgO+traces11+30+11+2MgO+traces13+6+24+3MgO+6CaO+traces16+6+16+3MgO+6CaO+traces18+18+18+2MgO+traces25+5+12+2MgO+traces Granufert WSF