rs brown fused alumina 98% is a new corundum product used to solve the problems in the process of the traditional brown fused alumina 98% replacing the white fused alumina and tabular alumina according to the practical needs of refractory manufacturers and practical experience, which is jointly developed by the company and luoyang institute of refractories. with high-purity alumina bauxite as main raw materials, rs brown fused alumina 98% is made by a special technique in electric arc furnaces with high temperature above 2300¡æ and refining with longer time.it is characterized by high temperature resistance, corrosion and erosion resistance, low apparent porosity and stable thermal stability performance¡£ it solves such problems as bursting, crazing and pulverising in the process of brown fused alumina 98% replacing aluminum-oxygen based corundums such as white fused alumina. rs brown fused alumina 98% is the ideal product which can substitute white fused alumina, compact fused alumina and tabular alumina in china . rs brown fused alumina 98% sand (barmac plastic) and micropowder (acid washing) can be widely used to manufacture variety of shaped refractory material products, corundum castable refractory,and other monholithic bulk refractory and caustic-burned corundum refractory products. specification chemical composition(%) grit size al2o3 tio2 sio2 fe2o3 0-1mm 97.5min 0.1max 1.0max 0.3max 1-3mm 97.5min 0.1max 1.0max 0.3max 3-5mm 97.5min 0.1max 1.0max 0.3max 5-8mm 97.5min 0.1max 1.0max 0.3max 8-12mm 97.5min 0.1max 1.0max 0.3max 180mesh-0 97.5min 0.15max 1.0max 0.3max 220mesh-0 97.5min 0.15max 1.0max 0.3max 320mesh-0 97.5min 0.15max 1.0max 0.3max if you have any requirement, please don't hesitate to inform us. melodyyangmei(at)hotmail.com. hope we can establish stable long terms business relationship with each other. sales manager : melody yang tel:86-379-65285886-804 mobile phone:13849906514 fax:86-379-65285889 http://www.ycrs.com.cn