الوصف

Pre-melting refinaing slag has the characteristics of uniform ingredient,low melting pointing,fast melting speed,low impurities,shortening melting time xxxxx can reduce the consumption of alloy during deoxygenation and alloying process,quicken slagging speed,improve mechanics condition of desulfurization,improve desulfurization effects,decrease hydrogen content in steel,improve lining lifespan,decrease pollution and refining xxxxx's called as novel product for metallurgical industry in *1st century.