The material of electro-fused magnesia sinter is ed special grade A natural magnesite or high-purity caustic calcined magnesite,which is fused in arc furnace to finish the products.The products possess high purity,crystal with and compact texture,have high heat-vibration steady and cinder corrosion resistant,It is used for making high quality magnesite bricks,magnesia-carbon bricks. MgO Content:96-98% Size:0-120mm Packing: One ton bag;25/50 PP bag If you are interested in this product yet,please kindly contact us by e-mail For more information.