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Boiling Flasks

Boiling Flasks

Boiling flasks are used for heating and boiling of liquids. The flasks are designed to have round bodies with long, thin necks to facilitate uniform heat distribution and minimize evaporation. Boiling flasks are typically made of borosilicate glass, which is resistant to thermal shock and chemicals. Some boiling flasks have rounded or conical bottoms and need support to stand upright, while others have flat bottoms and can stand alone.
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1 – 15 of 109 results
1

Quickfit™ Borosilicate Glass Short Neck Round Bottom Flask

Use these flasks for a variety of applications. Quickfit™ Borosilicate Glass Short Neck Round Bottom Flask are manufactured from borosilicate glass for corrosion-free performance and resistance to thermal shock.

Bottom Shape Round
Material Borosilicate Glass
Certifications/Compliance ISO 1773, ISO 4797
2

Lenz Laborglasinstrumente™ Duran™ Medium-neck Round Bottom Flasks

Manufactured from Duran™ glass. Lenz Laborglasinstrumente™ Duran™ Medium-neck Round Bottom Flasks include a conical ground joint.

EDGE
Neck Style Medium
Bottom Shape Round
Material Borosilicate Glass,Duran Glass
Certifications/Compliance DIN EN ISO 4797
3

Quickfit™ Three-Neck Round-Bottom Glass Flask

Useful for introducing gas inlet tubes and thermometers into the flask. The Quickfit Jointed Ware™ Quickfit™ Three-Neck Round-Bottom Flask has precision-ground sockets from borosilicate glass.

Material Borosilicate Glass
4

Lenz Laborglasinstrumente™ DURAN™ Borosilicate Glass Round Bottom Flasks with Conical Ground Joint

EDGE
Bottom Shape Round
Material Borosilicate Glass,Duran Glass
5

Lenz Laborglasinstrumente™ Three-Neck Round Bottom Flasks, Side Necks Parallel

Especially made for distillation, reactions and to make solutions or hold, contain and collect chemicals. Lenz Laborglasinstrumente™ Three-Neck Round Bottom Flasks, Side Necks Parallel are manufactured from durable DURAN™ borosilicate glass.

Bottom Shape Round
Material Borosilicate Glass,Duran Glass
6

DWK Life Sciences DURAN™ Flat Bottom Flask, narrow neck, with beaded rim

Flat base means flasks can be set down without a supporting ring.

Material Borosilicate Glass (3.3)
Autoclavable Autoclavable
For Use With (Application) Heating; Sizes 20000, 3000 and 5000 mL non-DIN ISO size
7

Lenz Laborglasinstrumente™ Two-Neck Round Bottom Flasks, Side Neck Angled

Especially made for distillation, reactions and to make solutions or hold, contain and collect chemicals. Lenz Laborglasinstrumente™ Two-Neck Round Bottom Flasks, Side Neck Angled are manufactured from durable DURAN™ borosilicate glass.

EDGE
Bottom Shape Round
Material Borosilicate Glass,Duran Glass
8

Quickfit™ Short Neck Round Bottom Flask

Manufactured from borosilicate glass. Quickfit Jointed Ware™ Quickfit™ Short Neck Round Bottom Flask offers corrosion-free performance and resistance to thermal shock.

EDGE
Neck Style Short
Bottom Shape Round
Material Borosilicate Glass
Certifications/Compliance Body diameter and wall thickness comply with relevant ISO 1773 and ISO 4797 requirements
9

Quickfit™ Two-Neck Round-Bottom Glass Flask

Manufactured from borosilicate glass. Quickfit Jointed Ware™ Quickfit™ Two-Neck Round-Bottom Glass Flask has high resistance to thermal shock and chemical attack.

EDGE
No. per Case 2
Bottom Shape Round
Material Borosilicate Glass
10

DWK Life Sciences DURAN™ Round Bottom Flask, with standard ground joint

Round flasks are used for reactions of all kinds, e.g. using heat during distillation or extraction, as receiving flasks, for freezing or in vacuum apparatus.

EDGE
Material Borosilicate Glass (3.3)
Autoclavable Autoclavable
For Use With (Application) Distillation; Extraction; Connection to other glass vessels; Heating; Suitable for heating baths and mantles; Evaporation of liquids; Suitable for mounting on tripods; Drying of materials; Volume sizes 25 mL (NS 19/26), 50 mL (NS 24/29 and NS 29/32), 500 mL (NS 45/40), 1000 mL (NS 45/40) and 2000 mL (NS 45/40) are not accordting to DIN ISO
11

Quickfit™ Borosilicate Glass Short Neck Flat Bottom Flask

Manufactured from borosilicate glass. Quickfit Jointed Ware™ Quickfit™ Borosilicate Glass Short Neck Flat Bottom Flask complies with ISO 1773 and ISO 4797.

EDGE
Neck Style Short
Bottom Shape Flat
Material Borosilicate Glass
Certifications/Compliance ISO 1773, ISO 4797
12

Lenz Laborglasinstrumente™ Three-Neck Round Bottom Flasks, Side Necks Angled

Especially made for distillation, reactions and to make solutions or hold, contain and collect chemicals. Lenz Laborglasinstrumente™ Three-Neck Round Bottom Flasks, Side Necks Angled are manufactured from durable DURAN™ borosilicate glass.

EDGE
Bottom Shape Round
Material Borosilicate Glass,Duran Glass
13

DWK Life Sciences Kimble™ Kontes™ Antibiotic Moisture Content Flasks

For determining moisture loss on drying in tablets, troches, or capsules

14

Pyrex™ Borosilicate Glass Narrow Neck Flat Bottom Boiling Flask

Manufactured from Pyrex™ glass for high resistance to thermal shock. Pyrex™ Borosilicate Glass Narrow Neck Flat Bottom Boiling Flask complies with ISO 1773 standards. Excellent chemical durability for contamination-free performance. Includes white enamel marking spot while flat base prevents spillage.

Neck Style Narrow
Bottom Shape Flat
Material Borosilicate Glass,Borosilicate Glass
Certifications/Compliance ISO 1773
15

Pyrex™ Borosilicate Glass Narrow Neck Round Bottom Boiling Flask

Resistant to chemical corrosion and thermal shock

Bottom Shape Round
Material Borosilicate Glass
Certifications/Compliance ISO 1773