Average particle size of BaCO 3 and aggregation of TiO 2 of domestic are analysized, thereupon requirement to match ave rage sizes of both BaCO 3 and TiO 2 is set up.

• 对国产BaCO3的平均粒径以及TiO2的团聚情况进行了分析，提出了两者平均粒径相匹配的要求