rs brown fused alumina is characterized by high purity, good crystal, strong fluidity, low coefficient of linear expansion ,good corrosion-resistance and so on. after practical tests by dozens of refractory manufacturers, rs brown fused alumina can¡¯t burst¡¢pulverise and craze in the using course. in particular, its performance-cost ratio is much higher than traditional brown fused alumina, making rs brown fused alumina become the best aggregate and padding of brown fused alumina refractory materials. we have strict control about company & quality;our service is full-around and first-class. so we're you wise choice.don't hesitate to contact us. contact person: ms. liang xiaofei(sales manager) helen(at)rs-abrasive.com