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foundry

Casting Refractory Materials 25um Quartz Poweder for Shell molding

Casting Refractory Materials 25um Quartz Poweder for Shell molding

99.6% SiO2 high whiteness fused silica powder Melted quartz powder 25 um for Precision casting.

Model:OBT-25um
Precision casting use high purity fused silica sand foundry 100-200 mesh SiO2 99.7%

Precision casting use high purity fused silica sand foundry 100-200 mesh SiO2 99.7%

Precision casting use high purity fused silica sand 100-200 mesh SiO2 99.7%

Model:OBT-100-200