Round Bottom Boiling Flasks

PYREX™ Flasks with standard taper Joints, Short Necks, Round Bottom Available on GSA/VA Contract for Federal Government customers only.

Excellent chemical durability for contamination-free results

PYREX™ Heavy-Wall Boiling Flasks, Round Bottom Available on GSA/VA Contract for Federal Government customers only.

Feature 25 to 30% greater wall thickness than standard flasks for mechanical strength

Kemtech America™ Synthware™ Three-Neck Flasks, Angled

With standard taper outer joints on both center and angled side necks

Kemtech America™ Synthware™ Single Neck Round Bottom Flasks, Full Length Joint

Hand-blown from tubing to ensure uniform wall thickness

Kemtech America™ Synthware™ Single Neck Round Bottom Flasks, Medium Length Joint

Hand-blown from tubing to ensure uniform wall thickness

PYREX™ VISTA™ Round Bottom Boiling Flask Available on GSA/VA Contract for Federal Government customers only.

Designed for great shock resistance

PYREX™ Flasks with Short Ring Necks Available on GSA/VA Contract for Federal Government customers only.

Sometimes called “balloon flasks”

Kimble™ Kontes™ Round Bottom Heavy Wall Boiling Flasks

Single neck flask with a standard outer joint

Kemtech America™ Synthware™ Round Bottom Flasks, 4-Neck

With standard taper outer joints on both the center and vertical side necks

Kimble™ Kontes™ Round Bottom with SJ Joint, Heavy Wall Boiling Flasks

Useful as rotary evaporator condensate collection flask

Kimble™ Kontes™ Single Standard Taper Neck Flask

Single neck flask with a Standard Taper outer joint

PYREX™ Round Bottom Flasks Available on GSA/VA Contract for Federal Government customers only.

Useful in apparatus assemblies

Kimble™ Kontes™ Three Neck Round Bottom Heavy Wall Flask

Distilling flask with 3 vertical necks and round bottom.

Kimble™ Kontes™ Four-Neck Round-Bottom Heavy-Wall Flasks with Vertical Necks

With standard taper outer joints and straight side necks

Kimble™ Kontes™ Boiling Flask for Microflex Kit

For use with standard taper14/10 joint microscale apparatus

Boiling Flasks, Round Bottom, Ground Glass Joint, Borosilicate Glass

Boiling, round bottom flasks with ground glass joints (24/40)

Kemtech America™ Synthware™ Three-Neck Flasks, Vertical

With standard taper outer joints on both center and vertical side necks

Kemtech America™ Synthware™ Round Bottom Flasks, 4-Neck, Angled Side Necks

With standard taper outer joints on both center and angled side necks

Kemtech America™ Synthware™ Two Neck Round Bottom Flasks, Angled Side Neck

With standard taper outer joints on both center and vertical side necks

Kimble™ KIMAX™ Round Bottom Boiling Flasks

Made of quality borosilicate and specially designed for boiling

PYREX™ Two Neck Boiling Flask, 1L Available on GSA/VA Contract for Federal Government customers only.

Replacement for PYREX cyanide distilling apparatus no. 3350-C

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