Бария сульфат 98% от 325mesh в 2500mesh

Barium sulfate (precipitation&superfinefrom 325mesh to 2500mesh)Detailed DescriptionCAS No.: 7727-43-7 Molecular Formula: BaSO4 Molecular Weight: 233.39Properties: Colorless orthorhombic system crystalline or white amorphous powder, relative density 4.5015, melting point 1580, nontoxic, almost insoluble in water, ethanol and acid, soluble in hot and concentrated sulfuric acid. Dried, it is easy to conglomerate. Spec.Re: Super-fine barium sulfate powderThe specification of each grade: Super Fine Barium Sulfate Powder (AY-45um)1) Median diameter17um-18um2) Moisture.0.2% (max.)3) reside on 325 mesh sieve0.02% (max.)4) Whiteness96% - 98%5) Soluble salt0.15% (max.)6) pH value6 - 87) BaSO4 purity98%8) Ignition loose.0.5% (max)9) D97(um)38um10) Heavy metals (as Pb)5PPm (max)11) Oil absorption9.0g/100g12) True specific gravity4.42 g/cm3Re: Precipitated barium sulfateQty/20' GP: 17MTTechnical Data ItemStandardItemStandardBarium Sulfate, %≥98.0Sulfide, %≤0.001Volatile at 105, %≤0.5Water-soluble, %≤0.3Oil absorption, g/100g≤18.0PH Value6.5-9.0Total Iron, %≤0.004Whiteness, %≥94.0FinenessD 503.5D 979.6D10016.0 Application: Used as raw materials or fillers of paint, printing ink, plastics, rubber and battery, surface coating agent of photographic paper and coated art paper, textile sizing agent. And it can be used as glass refining agent to eliminate bubbles and increase gloss; as well as protective wall coverings for anti-radiation. It also can be used in the trades of pottery and porcelain, enamel, spices and dyestuff, etc. It is also the raw material for producing other barium salts.