| 摘要 |
2.0-27.0 wt.%, SiO2 of 26.0-33.0 wt.%, MgO of below 3.0 wt.%, Al2O3 of below 13.0 wt.%, F of below 8.0 wt.%, Na2O of below 4.0 wt.%, B2O3 of 1.0-2.0 wt.%, free carbon of 10.00-22.0 wt.% and other inpurities in the mold flux for billet continous casting.
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