Corning – Pyrex – Flask, Florence, Boiling, Flat Bottom, Long Neck, Tooled Mouth
PYREX® flat bottom boiling flasks have long necks with tooled mouths and take a No. 2 rubber stopper. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance.
Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. The normal working temperature for PYREX® boiling flasks is 230°C.
Key Features
- Durable Borosilicate Glass: Made from high-quality PYREX® borosilicate glass, offering resistance to thermal shock and chemicals for long-lasting durability in laboratory settings.
- Flat Bottom Design: The flat bottom ensures stability on surfaces and allows for even heating, making it ideal for use in boiling and heating applications.
- Tooled Mouth for Secure Sealing: The flask is designed with a tooled mouth that provides a secure fit for stoppers, minimizing the risk of leaks and contamination during use.
Technical Specifications
| Product Number | Product Name | Qty./Pk | Qty./Cs | Brand |
| 4060-125 | PYREX® 125 mL Long Neck Boiling Flask, Flat Bottom and Tooled Mouth | 6 / Pk | 24 / Cs | PYREX® |
| 4060-12L | PYREX® 12L Short Neck Boiling Flask, Flat Bottom and Tooled Mouth | 1 / Pk | 1 / Cs | PYREX® |
| 4060-1L | PYREX® 1L Long Neck Boiling Flask, Flat Bottom and Tooled Mouth | 6 / Pk | 6 / Cs | PYREX® |
| 4060-250 | PYREX® 250 mL Long Neck Boiling Flask, Flat Bottom and Tooled Mouth | 6 / Pk | 24 / Cs | PYREX® |
| 4060-2L | PYREX® 2L Long Neck Boiling Flask, Flat Bottom and Tooled Mouth | 1 / Pk | 1 / Cs | PYREX® |
| 4060-50 | PYREX® 50 mL Long Neck Boiling Flask, Flat Bottom and Tooled Mouth | 1 / Pk | 1 / Cs | PYREX® |
| 4060-500 | PYREX® 500 mL Long Neck Boiling Flask, Flat Bottom and Tooled Mouth | 6 / Pk | 24 / Cs | PYREX® |
| 4060-6L | PYREX® 6L Long Neck Boiling Flask, Flat Bottom and Tooled Mouth | 1 / Pk | 1 / Cs | PYREX® |
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