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Cupel Bullion Blocks/ Magneisa Cuple tray
Factory magnesia crucibles cupel the gold melting tray High thermal shock resistance,
#PC - Mabor Cupel Gold Assay Smelting Refining Melting Cupels
Material: Magnesium Oxide Featrue: High thermal shock resistanceEach Cupel
6A 7A 8A Magnesia/ MgO Cupels
Magnesia cupel for smelting and assaying, High temperature resistance MgO cupel.Factory magnesia crucibles cupel the gold melting cupel in ceramic.
Bone Ash Cupel Tapered Cone
Material: ash bone Featrue: High thermal shock resistance
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