Evaporating Dish, Porcelain

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Shallow form with lip and flat bottom. Glazed except for rim and part of outside bottom. Autoclavable. Withstand temperatures to 1150°C. To prevent thermal stress cracks, we strong ly recommend a heating/cooling rate not exceeding 200°C per hour. United porcelain evaporating dishes offer excellent resistance to acids and alkalies except for hydrofluoric acid. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of porcelain is heat tested in our factory. Glaze - No softening occurs up to 1000°C, and it is extremely white. Resistance to Chemical Action - Resistance to acids and alkalies is excellent, except for hydrofluoric acid. Show more