... (BaSO4) 95%-98% from Kevin Ren,Hebei Yuhuan Chemical Co.,ltd Precipitated Barium Sulfate(BaSO4) 95%-98% from Kevin Ren, ... Hebei Yuhuan Chemical Co.,ltd 1. The Introduction of Hebei Yuhuan Chemical Co.,ltdHebei Yuhuan Chemical Co.,Ltd is founded in 1975 and the largest ... % & 98.5% Mainly used in paint, coating, ink, plastic, rubber, textiles and ceramic. HS:28332700CAS:7727-43-7EINECS: 213-784-4GB ...