bility 分散性ExcellentExcellentExcellentExcellentExcellentExcellentExcellentWeather Resistance耐候性ExcellentExcellentExcellentExcellentExcellentExcellentExcellent三、国产质优价廉硫酸钡：国产质优价廉硫酸钡 BARIUM SULFATE产地：贵州，是国内最好的硫酸钡生产基地。产品的典型特性A-3000A-2500A-1250A-800A-500A-325Mean Particle Size：Microns 中间粒径4.05.08.09.09.510.0Top size :Microns最大粒径152025303550Wt.% retained on 325 mesh screen 325目筛残余0.00.00.00.00.20.5Hegman Fineness8.07.07.06.05.54.0Oil Ab