Ceramic beads is use for sand moulding, for Steel/Iron/Aluminum/Alloy Casting, make mold or core. is recyclable high grade green casting sand, with ideal ....

mullite sand is one kind of natural mullite, it is made from pure material and through high temperature calcined, and suitable for precision casting. our ....

Silica Fume is one kind fine powder, we get from fusing zirconia production, good fluidity and higher activity for coating , higher refractoriness for ....