Alumina Boat: High Purity 50 x 40 x 20 mm Combustion Boat

1.One high purity Alumina combustion boat for chemical calcining, metal casting, and ceramic sample preparation

2.Dimension: Length: 50 mm; Width: 40 mm; Height: 20 mm

3.Maximum Volume: 30ml

4.Shape: as a picture

5.Purity: Al2O3 > 99.5%;  Fe2O3 < 0.01%

6.100% impervious

7.Density: > 3.8 g/cm3

8.Max. working temperature: 1750 oC or 3180 F
Note: Never heat and cool faster than 5°C/min. Otherwise, the crucible may crack.
Alumina crucibles are made by casting method, which does not have precise dimensions.