Spec: BaCO3: 99.2% min Moisture:0.30% max HCL Insoluble Matters:0.25% max Total SO4:0.30% max Fe:0.004% max Bulk Density for Precipitated Grade (g/cm3) 1.21 max Bulk Density for Free Flowing Grade (g/cm3) 1.48 min Particle Size for Granular Grade 1000 Micron Sieve Residue 150 Micron Sieve Residue 1% max 75% minPacking: in 25/1000kg plastic woven bags with film lining Application: Mainly used in making ceramic, brick and tile, barium ferrite, cathode ray tube (CRT) etc.