| 50 mL Bellwether Porcelain Crucible with Lid 
 
High-form laboratory crucibles are glazed inside and out the base is unglazed.They are fired at 1205 °C and tested at 1100 °C 
| Specifications |  
| Capacity | Height | Outside Rim Dia. |  
| 50 mL | 46 mm | 47 mm |  Quality Control:
 
Porcelain is oven-heated to 1100 °C (2012 °F)Cooled to 400 °C (752 °F) in ovenRemoved from oven and further cooled to 20 °C (68 °F).Cycle repeated at least three times to pass |