Boiling Flasks

Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use....

Quartz single neck round bottom flask with standard taper outer joint. This round bottom, single neck flask is crafted from high-quality quartz, which is known for its exceptional thermal stability and chemical resistance. It is suitable for a variety of laboratory applications, including heating,...

KimCote® plastic-coated single neck flask with a SJ socket joint. Useful as rotary evaporator condensate collection flask or as a replacement for European designation KS 20/35.

Round bottom flask with four necks arranged 3 in-line and one at 90 degrees. 500ml and smaller flasks have angled side necks while larger sizes feature vertical necks. Available in heavy wall.

Carefully designed and manufactured from borosilicate glass Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance Excellent chemical durability provides contamination-free results and long life under the...

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for larger capacity round bottom flasks.

Round bottom, three neck flask. Side necks are angled. Available in standard wall for more rapid heating or heavy duty for mechanical shock resistance. Microscale flasks, codes -34 & -36, feature 14/10, 20-400 externally threaded cap-seal joints supplied with 14.7-15mm holed caps, PTFE faced...

Enhance your laboratory procedures with the robust and reliable Round Bottom, Single Neck, Beaded Tube Well Flask from Ace Glass. This flask boasts a design tailored for versatile application in distillation and heating processes. Its integrated beaded tube well allows for the precise placement of...

Borosilicate Glass Flat Bottom Boiling Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack.

These PYREX(r) pear-shaped boiling flasks have full length outer 14/20 Standard Taper joints and 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....

Round bottom Meets ASTM E1403, Type 1, Class 3

Round bottom flasks, three vertical necks, standard taper outer joints, standard and heavy wall. Flasks feature a flare-out directly below the center joint to facilitate cleaning and removal of stir blades.

United Scientific™ three-necked boiling flasks with ground glass 24/40 joints are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. 24/40 ground glass joints Available in four capacities Made from heavy-duty ASTM...