Porcelain casserole with 20ml capacity, featuring lip and flat handle. Casserole measures 22mm tall with a 40mm top outside diameter. Excellent resistance to acids and alkalies, not including hydrofluoric acid. Autoclavable and glazed inside and out, except for rim and top of handle. Designed to withstand temperatures up to 1150°C; to prevent thermal stress cracks, temperature change rate should no exceed 200°C per hour.