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| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Product Type | Imported Laboratory Dewar Flask |
| Model Series | C Series / G-C Series |
| Inner Vessel Material | Borosilicate Glass 3.3 |
| Inner Surface Finish | Full Silvering |
| Optional Features | Observation Window (customizable), Evaporation-Resistant Insulating Lid |
| Temperature Compatibility | Liquid Nitrogen (−196 °C) |
| Typical LN₂ Hold Time | 40–193 h |
| Typical LN₂ Evaporation Rate | 0.25–0.7 L/day |
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