锆刚玉是以氧化铝、氧化锆为原料在电弧炉中经2000℃以上高温冶炼而成。锆刚玉质地坚韧，结构致密，强度高，热稳定性好，一般呈灰褐色。FusedZirconiaAlumina,wasmadefromaluminaandZirconiumoxidebymeltingabove2000intheelectricarcfurnaceandrongbutpliableintexture,compactstructure,GoodThermalStability.generallyitisgraycolor.锆刚玉的分类：锆刚玉根据ZrO2的含量，一般有中锆刚玉(ZrO225%)和高锆刚玉(ZrO240%)。一．物理化学指标chemical&physicalproperties真密度truedensity4.20g/cm3堆积密度bulkdensity2.18g/cm3莫氏硬度Moh'shardness9.0努普硬度knoophardness1450-2000kg/cm2熔点meltingpoint1900℃***高使用温度maxservicetemperature1700℃二．型号和用途size&Application产品系列productAlO3ZrO2TiO2Fe2O3SiO2ZA2568%-72%24%-30%1.5%max0.5%max1.0%maxZA4055%-57%35%-44%1.5%max0.5%max1.0%max1.Size:0-1mm,1-3mm,3-5mm,5-8mm，etc.100f,200f,325f,etc.锆刚玉是一种***耐火原料，是制作高性能的滑动水口及浸入式水口的理想材料，还可用于制作玻璃熔窑用锆刚玉砖，及***建筑材料的生产。Ashigh-classrefractorymaterials,FusedZirconiaAluminaisperfectformakingslidegatenozzleandsubmersedisalsoformakingzirconcorundumbrickandbuildingmaterials.2.size:8#10#12#14#16#20#22#24#30#36#40#46#54#60#70#80#90#100#120#150#180#220#锆刚玉耐熔体侵蚀性好，作为一种***磨料，对钢件、铸铁件、耐热钢、以及各种合金材料有很好的磨削作用，可制造高性能的重负荷锆刚玉砂轮，荒磨，切割片，道轨磨，高速砂带等。Withgoodmelterosionresistance,ithasgoodgrindingeffectonsteel,ironcasting,heat-resistantsteel,andotheralloycanbemadeforHe***ydutyzirconiumcorundumgrindingwheel,snagging,cuttingdisc,grindingrails,high-speedabrasivebelt,etc.3.Size:F230F240F280F320F360F400F500F600F800F1000F1200F1500F200240#280#320#360#400#500#600#700#800#1000#1200#1500#2000#2500#3000#4000#6000#8000#锆刚玉微粉主要用于制造研磨膏，抛光蜡，砂布砂纸等。MicronpowderaremainlyformakingPaste,polishingwax,emeryclothsandpaper,etc.)