SiAlBaCa-1 Si:30%Min Al:16%Min Ba:9%Min Ca:12%Max Mn:0.4%Max C:0.4%Max P:0.04%Max S:0.02%Max
SiAlBaCa-2 Si:35%Min Al:12%Min Ba:9%Min Ca:9%Max Mn:0.4%Max C:0.4%Max P:0.04%Max S:0.02%Max
SiAlBaCa-3 Si:39%Min Al:21%Min Ba:2%Min Ca:10%Max Mn:0.4%Max C:0.4%Max P:0.04%Max S:0.02%Max