... ) JIS,FEPA,ANSI standards Manufacturer Fused White Aluminum oxide for refractory grade White fused corundum, a kind of high-grade refractories ... 3-1mmcontent of magnetic substance%0.038maxAbout usZhengzhou Haixu Abrasives Co.,Ltd,founded in 1999, is specialized in White Fused Alumina, Brown ... industry and other fields. Manufacturer Fused White Aluminum oxide for refractory grade