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Specification: Barium content 97% 99% Oem Density 4.36g/cm3 4.5g/cm3 Oem Whiteness 92 96 Oem Water soluble matters % 0.06 0.05 Oem Ph value 5 5 Oem Oil absorption 16.87g/100g 18.62g/100g Oem Mesh 3000~4000 4000~5000 Oem
