1.white fused mullite powder for casting 2.professional manufacture 3.10 years of exporting experiences ... and suppliers of refractory material in China, Yichang Kebo Refractories Co, Ltd is located in one of the largest ... powder for precision castingApplications:Mainly used in investment casting, Cast steel, cast copper, Vacuum casting, plaster filler v-process, casting coatings, casting mold ...