Description
Round Bottom Flasks, Two Neck, Borosilicate Glass 3.3 – Glassco (100 mL to 5000 mL)
Glassco two-neck round bottom flasks are designed for advanced laboratory procedures where multiple connections are required. The additional neck allows for thermometers, dropping funnels, or inert gas lines while maintaining efficient reflux or heating.
Manufactured from borosilicate glass 3.3, these flasks withstand high temperatures and aggressive chemicals, ensuring safe and reliable laboratory operation.
Specifications
| Parameter | Specification |
| Material | Borosilicate Glass 3.3 |
| Flask Type | Round Bottom |
| Neck Type | Two Neck |
| Joint Type | Ground Glass |
| Thermal Resistance | High |
| Chemical Resistance | Excellent |
| Autoclavable | Yes |
| Application | Reactions, Reflux, Distillation |
Variants
| Capacity | Joint Configuration |
| 100 mL | 24/29 – 19/26 |
| 250 mL | 24/29 – 19/26 |
| 1000 mL | 24/29 – 19/26 |
| 5000 mL | 34/35 – 24/29 |






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