Brown Korund, braun Edelkorund BFA

BrownCorundum，fuesdalunmina BrownFusedAluminaisbauxite,carbonmaterials,ironfilingsinthethreekindsofrawmaterialthroughthemeltingfurnacetorestorethesystemobtainedbrownartificialcorundum,andarethusbrowncorundum.BrownFusedAluminaisthemainchemicalingredientAL2O3,itscontentis94.5%197%,andtheothercontainingasmallamountofFe,Si,Tiandsoon.Corundumbecauseofitshighhardness,toughnessisgood,moreusedasagrindingmaterial,whichisoneofthemostbasicabrasive.Applicabletocarbonsteel,malleableironandhardbronzeetc.grinding.Inaddition,inrefractorymaterials,chemicaladditives,precisioncastingandanti-slipmaterialalsohaswiderapplication. Mainfunctions: (1)asthereishightemperature,corrosionresistance,highstrengthproperties,itpouredwithsteelslidinggate,smeltingraremetals,specialalloys,ceramics,iron-smeltingfurnaceofthelining(wallsandtubes);physicalandchemicalcontainers,sparkplugs,heat-resistantanti-oxidationcoating. (2)duetohighhardness,wearresistance,highstrengthcharacteristics,inthechemicalsystem,usedforavarietyofreactionvesselsandpipelines,chemicalpumpparts;todomechanicalparts,variousmolds,suchastheRobertsmold,extrusiondienozzlepencillead,etc.;dotool,diegrinding,bullet-proofmaterial,thehumanbodyjoints,sealingringmold. (3)corunduminsulatingmaterials,suchaslightweightcorundumbrick,corundumhollowballandfiberproducts,widelyusedinavarietyofhigh-temperaturekilnfurnacewallsandroof,bothhigh-temperatureinsulationagain. item 95 96 97 Al2O3 ≥95% ≥96% ≥97% SiO2 ≤1.2% ≤1.0% ≤0.8% TiO2 ≤3.2% ≤3.0% ≤2.0% Fe2O3 ≤0.3% ≤0.2% ≤0.2% CaO+MgO ≤0.6% ≤0.5% ≤0.4% Realdemsity ≥3.9g/cm3 Moh'shardness 9.0 Microhardness 2000-2200KG/MM2 Clarseness 8-5MM5-3MM3-1MM1-0MM 16#24#30#36#46#60#70#80#90#100#120# Fines 180F200F240F325F（Fe2O3≤0.50%）