Name: Vevor Round Bottom Flask Receiving Flask 5000 Mlreaction Flask With Singleneck
Brand: VEVOR
SKU: YDSP5LJT244000001V0
Price: 49.99 EUR
Availability: Discontinued
Rating: 5.0 (3 reviews)

Vevor Round Bottom Flask Receiving Flask 5000 Mlreaction Flask With Singleneck

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About this item

【PREMIUM QUALITY】 - This boiling flask pack is built with high-quality borosilicate glass, heat-resistant, sturdy, and durable. It is heavy-wall designed, made by hand blown process to ensure uniform wall thickness.
【EXCELLENT SEALING】 - With the 24/40 standard taper ground joint, the round flask has excellent sealing and can be tightly combined with other glassware. It comes with two Keck clips to prevent the joints from separating.
【UNIFORM HEATING】 - With the spherical bottom, this round glass flask has a larger heating surface than the flat bottom flask, so that the liquid can be heated or boiled more evenly. Its surface stress is also uniformly distributed.
【CLEAR & TRANSPARENT】 - The round borosilicate has a clear and transparent wall without protrusion, easy to observe the experimental phenomena, and liquid changes. The precise specification is marked for classification.
【EXTENSIVE APPLICATION】 - The round bottom glasses are indispensable in the distillation experiment and reflux process, which can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.

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Tough Equipment & Tools, Pay Less

Why Choose VEVOR?

Premium Tough Quality
Incredibly Low Prices
Fast & Secure Delivery
30-Day Free Returns
24/7 Attentive Service

5L Round Bottom Flask

The round bottom flask stand is made of heat-resistant borosilicate glass with a massive wall, making it sturdy and durable. The flasks around the neck are equipped with the 24/40 standard taper joints with the frosted inner surface, which have excellent sealing without any leakage. With stable performance, this cork stand round bottom flask is widely applied in organic chemistry.

Premium Quality
Excellent Sealing
Uniform Heating
Clear & Transparent

Thickened Borosilicate Glass

The spherical flask is made of borosilicate glass with a massive wall, featuring high-temperature resistance and a low expansion rate.

24/40 Taper Ground Joint

The flask is designed with the 24/40 standard taper joint, providing excellent sealing performance for its frosted inner surface.

Spherical Bottom Design

The spherical bottom design is adopted to disperse the surface force evenly, making it more resistant to fracture under vacuum.

High Transmittance

With the smooth and bubble-free surface, the organic glassware has a high transmittance, convenient to observe the experiment.

Two Keck Clips

Two Keck clips for 24/40 joints are provided to effectively prevent the solution from splashing out and reduce the liquid evaporation.

Widely Used

This chemistry lab glassware is widely used in organic chemistry, as the distillation and receiving flask in the vacuum distillation apparatus.

Package Content

1 x Round Bottom Flask
2 x Keck Clips

Specifications

Material: Borosilicate Glass 3.3
Capacity: 5000ml/169.09oz
Joint Type: 24/40
Height: 13"/33 cm
Diameter: 9.25"/23.5 cm

I was a little worried at first about purchasing this flask, I have never used Vevor glass before. It is heavy walled, clear with slight distortion, it has no marking for the type glass used, the only markings are $24/40 and 2000 ml. It has a very heavy center neck, standard size side neck. So, it was go or blow time, with me far away from the soon to be boiling hot acid and unknown or untested by me brand of lab glass. I cranked the heat to maximum.I used this flask under constant maximum heating for 8 hours straight doing this distillation. It worked fine with no problems, it cleaned up well and is ready to be used again when called upon.

Bonne qualit, conforme recevoir des produits corrosifs et pour _re chauff, les cols sont en verre rod etparfaitement _anches, je l'ai essay pendant 1/2 journ_ et rien signaler.les serres joints livr_ avec le ballon sont pratiquent pour ce en 24/40, par contre trop serrant pour le 34/45,mais ce n'est pas l'essentiel.Livraison re?u avant la date pr_ue, c'est parfait!