ce耐候性ExcellentExcellentExcellentExcellentExcellentExcellentExcellent三、國產質優(yōu)價廉硫酸鋇：國產質優(yōu)價廉硫酸鋇 BARIUM SULFATE產地：貴州，是國內最好的硫酸鋇生產基地。產品的典型特性A-3000A-2500A-1250A-800A-500A-325Mean Particle Size：Microns 中間粒徑4.05.08.09.09.510.0Top size :Microns最大粒徑152025303550Wt.% retained on 325 mesh screen 325目篩殘余0.00.00.00.00.20.5Hegman Fineness8.07.07.06.05.54.0Oil Absorption 吸油量12.011.011.011.010.09.0Specific Gravity 比重4.44.44.44.44.44.4Apparent Dry Bu