根据不同的性能，可用于耐火材料和炼钢造渣剂用等。
It is used for refractory material and steel industry according to different property.
粤桥牌大理石粉为白色或浅灰色矿粉，主要用于药皮焊条等焊接材料的造渣造气剂，可提高熔渣堿度稳。
" bridge brand " marble mostly to use in slagging powder with drug cover welding electrode. improve slag basicity, steady arc, increase surface strain. it also used on architecture industry.
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