... .Product appearance: White powder.SpecificationItemIndexContent of Barium Sulfate(Calculated by Dry Basis),%≥98.5105·C Volatile matter, %≤0.10content of Water Soluble ... with thread, the outer layer is plastic woven sack sewed by machines.Precautions: damping, exposure to direct sun, and tearing should ... copper trigger.Packing:25kg/bag or 50kg/bag barium sulfate 98%min BaSO4