LinkMejor Porcelain Crucible Cup 150ml 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: 150mlMax. Capacity: 188mlTop Inner Diameter: 73mm (2.87")Top Outer Diameter: 78mm (3.07")Height: 67mm (2.64")