About us china barium carbonate 99.2% min from direct chemical companies 1. we are manufacturer. 2. we can guarantee high quality and prompt shipment. the differe nce between free flowing and precipitated is the density . China factory supply 99.2% barium carbonate granular, find details about china barium carbonate granular, barium carbonate from factory supply 99.2% barium carbonate granularzibo qingxin chemicals co., ltd. Alibaba offers 165 granular barium carbonate 99.2 products. about 40% of these are carbonate, 4% are other chemicals, and 1% are pharmaceutical intermediates. a wide variety of granular barium carbonate 99.2 options are available to you, such as industrial grade, reagent grade, and electron grade. Alibaba offers 111 industry barium carbonate granular products. about 80% of these are carbonate. a wide variety of industry barium carbonate granular options are available to you, such as industrial grade, reagent grade, and electron grade.