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Glassco Flask, Round Bottom, Borosilicate glass, 25ml - 5L, 24/29

Price: £17.56
Stock Availability:

Compare all Pack Sizes

Stock Availability
On Shelf - Approx. UK delivery date: Thursday the 29th January 2026*
In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)
4 to 6 weeks approx. (Not guaranteed)
UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland, Jersey and Guernsey.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed
  • Chemical reactions and synthesis in laboratories.
  • Distillation and reflux processes.
  • Heating and evaporating solutions.
  • Culture and growth of microorganisms in biology.
  • Storage and transport of various liquids.
  • Titration experiments in analytical chemistry.
  • Fermentation processes in biotechnology.
  • Mixing and blending solutions.
  • Crystallization and precipitation of compounds.
  • Measuring and collecting gases during experiments.

Glassco Round Bottom Flask, Borosilicate Glass, 24/29 Joint, 25ml to 5L

Glassco round bottom flasks are suitable for heating, boiling, and reaction work in laboratory environments. Each flask is manufactured with a single neck and standard 24/29 ground glass joint, providing compatibility with common condensers, adapters, and laboratory assemblies.

Manufactured from ASTM 438 Type I Class A borosilicate 3.3 heat resistant glass, these flasks feature thick, uniform wall construction to support even heat distribution and improved durability. White enamel printing provides clear visibility of markings during use. All flasks conform to DIN / ISO 4797 and USP standards.

Key Features

Borosilicate 3.3 construction: Manufactured from ASTM 438 Type I Class A heat resistant glass.

Uniform wall thickness: Thick walls promote consistent heating and mechanical strength.

Standard ground joint: 24/29 joint ensures compatibility with standard laboratory glassware.

Clear enamel markings: White enamel printing for easy readability.

Standards compliance: Conforms to DIN / ISO 4797 and USP standards.

Shipped from our UK Facility

All Glassco glassware is securely packed and dispatched from our UK facility, ensuring reliable and efficient delivery within the UK.

Round Bottom Flask With Joint, Borosilicate Glass

CodeCapacity (ml)Overall Diameter (mm)Overall Height (mm)
F1R25B24 25 41 85
F1R50B24 50 51 90
F1R100B24 100 64 105
F1R150B24 150 75 137
F1R250B24 250 85 140
F1R500B24 500 105 163
F1R1000B24 1000 105 200
F1R2000B24 2000 131 240
  • Brand: Glassco
  • Product Type: Round bottom flask, single neck
  • Capacity Range: 25ml to 5L
  • Joint Size: 24/29
  • Material: Borosilicate glass 3.3 (ASTM 438 Type I Class A)
  • Printing: White enamel
  • Standards: DIN / ISO 4797, USP
  • Country of Origin: India
  • HS Code: 70172000

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