MgO 8A Cupel 200/carton

“Alpine style” magnesia cupels - packed in cartons of 200. Ideal for testing and small scale assaying. Size 8A 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: 45.3mm 1.78" D1: 38.0mm 1.50" D2: 36.9mm. 1.45" H: 35.0mm. 1.38" H1: 12.5mm. 0.49" (grams): 100.5g