MgO 7X Cupel 200/carton

“Alpine style” magnesia cupels - 200 carton Ideal for testing and small scale assaying. Size 7X Each Cupels will absorb approximately 53 grams of lead. Cupels are made from high quality dead burnt magnesia (MgO). Hard, smooth surface with consistency in weight and size. Provide exceptional results in gold mines, precious metal refiners, alloy melters, hallmarking, geological and test laboratories worldwide. D: 39.7mm 1.56" D1: 31.2mm 1.23" D2: 30.0mm. 1.18" H: 35.0mm. 1.38" H1: 11.8mm. 0.46" (grams): 73.0g