Florence Boiling Flasks, Flat Bottom

Photo of Corning 4080 PYREX® Long Neck Florence Boiling Flask with Flat Bottom and 24/40 Standard Taper Joint

These PYREX® flat bottom boiling flasks have full length outer 24/40 joints on long necks. 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. Corning Adapter Nos.

Photo of Corning 4060 PYREX® Long Neck Boiling Flasks with Flat Bottom and Tooled Neck

These PYREX® flat bottom boiling flasks have long necks with tooled mouths and use rubber stoppers for sealing. The 12L size has a short neck. 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.

Photo of Kimble 25000 KIMAX Flat Bottom Florence Flasks with Reinforced Tooled Top

Kimble 25000 KIMAX Flat Bottom Florence Flasks with Reinforced Tooled Top have a low coefficient of expansion to resist thermal shock. They are constructed with sturdy walls to minimize mechanical breakage, and reinforced tooled tops for strength and a secure stopper fit. Designed from ASTM Specification E1403, Type I, Class 1, requirements.

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