Introduce technology feature of 911 lead liquid coveringflux.
介绍了911铅液覆盖剂的技术特征。
2
In order to improve the insulation performance of the ladle coveringflux a new type carbide rice husk based ladle coveringflux has been developed.
为了改善钢包覆盖剂的保温性能，研制出了采用炭化稻壳为主原料的新型钢包覆盖剂。
3
Based on the principle of volume contraction of freezing, the designing process of riser fitting to the cast steel inserted die with exothermic coveringflux has been studied.