Detailed Product Description uupper nozzle brickupper nozzles take superior bauxite or corundum as raw materials , especially strengthen their matrix , shaped by high pressure , reach the international advanced level with good anti-erosion, long service life and fine integration. BrandSpecificationHBLT-65HBLT-70HBLT-85HBLMT-40HBLMT-45HBL-65Al2O3 ≥ %65708540865C ≥ %53355-MgO ≥ %---545-Apparent ...