造成硫酸钡BS40层

BS40 is an ultra fine and high purity precipitated barium sulphate. Perfect substitute for some Europe precipitated barium sulphate.Typical Properties0.4um median diameter and evenly distribution of grain sizesExcellent resistant to acid and alkali and weather resistant.High whiteness and brightness due to its excellent dispersibility.Doesn’t blemish pigment brilliance due to its inabsorb to light from UV to infra-lightimprove hardness and stiffness of the plastics without affecting surface quality, particularly protect gloss and luster.ApplicationsIn pigment products which need high filling-type and fineness, especially high-gloss coating and powder coatingIn plastics (high gloss industry plastic), ink, papermaking and rubber industry. It can replace 5-20% titanium dioxidewhile maintain the hiding power and gloss.specification ItemBS40BaSO4 ≥98%Volatile (at 105ºC)≤0.3%PH Value8.0-9.0Lightness L*≥99Median grain size (D50)≤0.4μmDensity 4.4 g/mlFe content≤260 ppmOil absorption13-15 g/100gSieve Residue (45um )≤0.02%Package: 25kg/bag or packaged as per request.