Alumina Crucible: High Purity 34mm Dia. x 38mm H (20ml) Cylindrical

One high-purity Alumina crucible for chemical calcining, metal casting, and ceramic sample preparation.

Dimension: 34mm OD; 29mm ID; 38mm Height

Thickness 2.5mm

Shape: Cylindrical, as the picture shown

Purity: Al2O3 > 99.5% ; Fe2O3 < 0.01%

100% impervious

Density: > 3.8 g /cm3

Capacity: ~20 ml

Max. working temperature: 1750°C or 3180°F

Note: DO NOT 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.