Corning PYREX Short Ring Neck Round Bottom Boiling Flasks
These Corning PYREX® Short Ring Neck Round Bottom Boiling Flasks are used in applications requiring rigid stoppering and as wash bottles in routine lab washing. 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.
Key Features
- Type I Class A – Low-Expansion Borosilicate Glass, per ASTM E438
- Short ring necks take No. 11 rubber stopper
- Ring necks are precisely tooled for uniformed stopper fit
- Reinforced rim increases mechanical strength
- Normal working temperature is 230C
- Withstands repeated standard autoclave cycles of 121°C at 15 psi for 15 minutes
| Item | Capacity | Unit of Measure | Price | Purchase |
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CGW4260-22L
4260-22L
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22 L | Case of 1 |
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CGW4260-500
4260-500
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500 mL | Case of 1 |
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CGW4260-12L
4260-12L
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12 L | Case of 1 |
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CGW4260-250
4260-250
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250 mL | Case of 1 |
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CGW4260-5L
4260-5L
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5 L | Case of 6 |
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