Crucible Lid Porcelain
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Crucible Lids
| Material | Inner Diameter (mm) | Ext. Diameter (mm) | Suitable Crucible (mm) |
| Porcelain | 33 | 37 | 30 |
| Porcelain | 42 | 46 | 35 |
| Porcelain | 44 | 49 | 50 |
| Porcelain | 46 | 54 | 45 |
| Porcelain | 57 | 62 | 50 |
| Porcelain | 62 | 69 | 60 |
Crucible Lid Porcelain is manufactured from high-quality glazed porcelain, providing excellent resistance to high temperatures and chemical exposure. It is designed to be used together with porcelain crucibles in chemistry and physics laboratories, particularly during heating, ignition, and ashing experiments.
The glazed surface minimizes contamination and facilitates easy cleaning after use. Using a crucible lid helps reduce heat loss, prevent sample spillage, and limit exposure of the contents to the surrounding environment during thermal processes.
To ensure long service life and prevent damage, controlled cooling is recommended after heating. Direct exposure to an open flame should be avoided, as sudden temperature changes may cause cracking or breakage. When used correctly, the crucible lid provides reliable performance in repeated educational laboratory applications.
Usage Areas
Chemistry laboratories
Heating and ignition experiments
Sample protection during thermal processes
Educational and training laboratories
Advantages
High-quality glazed porcelain construction
Resistant to heat and chemicals
Helps prevent sample loss and contamination
Easy to clean and reuse
Suitable for repeated laboratory use
Technical Specifications
Product Type: Crucible Lid
Material: Glazed Porcelain
Application: Laboratory crucibles
Safety and Storage Information
Avoid use with direct open flame
Allow controlled and gradual cooling after heating
Handle carefully to prevent impact damage
Store in a dry and secure location
Usage Notes
Use with compatible porcelain crucibles
Do not subject to sudden temperature changes
Recommended for supervised laboratory use

