Zinkcarbonat

zinc carbonate Classify and qualification: ITEMSINDEXHigh-ClassFirst-ClassQualifiedZn % ≥57.557.056.5Loss on dry25.0-28.025.0-30.025.0-32.0Pb content % ≤0.040.050.05Moisture ≤2.53.55.0So4 % ≤0.600.80_Fineness through 75 um Screen ≥95.094.093.0 Detailed Product Description basic manufacturer .We are able to supply you with the most competitive price.BasicZincCarbonateMolecularformula:ZnCO3.2Zn(OH)2.H2OMolecularweight:324.15Properties:Whiteoryellowishfineamorphouspowder,smell-less,tasteless.Theproportionis4.42-4.45,doesnotdissolveinwaterandalcohol,slightlysolubleinammonia,candissolveinthedilutedacidandthesodiumhydroxide.Use:Usedasthelightapocrusti,thelatexproductsrawmaterial.Canpreparecalamineandsuedastheskinprotectingagent,alsomayuseintherayon,petroleumandthechemicalfertilizerindustriesasthemainmaterialofthedesulfurizerandthecatalyst.Ontherubberproduct,thepaint,themedicineandotherchemicalproducts,itisalsowidelyapplied.Package:PPWOVENBAGSWITHINNERPEBAGSChemicalindustryStandardofPeople'sRepublicofChinaHG/T2523-93.