LinkMejor Porcelain Crucible Cup 200ml for Foundry Melting Casting Refining 2pcs

-The porcelain is uniform in thickness and dense which allows stable mechanical strength and little permeability.-Recommended for chemists, metallurgists and others involved in high temperature work demanding free results.-Good resistance to acids of all kinds, even at boiling point, with the exception of hydrofluoric acid. -The crucibles are glazed on the inside and outside surface except for the outside bottom and rim.-Porcelain crucibles should be in drying box or muffle furnace over 30 minutes and place in drying column in reserve. Specification:Material: Porcelain Max. Working Temperature: 1000CCapacity: 200mlMax. Capacity: 220ml Top Inner Diameter: 78mm (3.07")Top Outer Diameter: 82.5mm (3.25")Height: 72.5mm (2.85")