Casting Media Alternatives - HosslAvailable printed as a single material or as an additive to silica sand, . Ceramic Beads is a spherical ceramic (synthetic) sand which exhibits excellent refractory.spherical casting sand,Geometrical modulus of a casting and its influence on solidification .cylinder and prism, sphere and cube casting couples have the same value of the casting .. sand and metallic moulds with the aid of thermocouples Pt-PtRh.7. Special Casting ProcessesThe mold material consists of silica sand mixed with a suitable bonding ... Blowholes are spherical or elongated cavities present in the casting on the surface.
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