6A 7A 8A Magnesia cupel and bone ash cupel ,CSCERAMIC offer High purity refractory cupels with most competitive pricing, which are made from high grade raw materials (dead burnt magnesite / Magnesium Oxide) and special fluxing ingredients. Our products are used in gold mining, fire assaying of precious metals, hallmarking centres, gold refineries, gold bar manufacturers and other laboratory testing purpose.
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Bone Ash Cupel Tapered ConeAchieve unparalleled levels of purity with our Bone Ash Cupels. Engineered to remove impurities and unwanted elements, these cupels enable you to extract the true essence of your precious metals.
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6A 7A 8A Magnesia/ MgO CupelsMagnesia cupel for smelting and assaying, High temperature resistance MgO cupel.Factory magnesia crucibles cupel the gold melting cupel in ceramic.