PYREX Glass Rimless Test Tube 20x150mm For Sale

PYREX® test tubes have an optimal wall thickness since they are composed of unique borosilicate tubing. Thermal shock, chemical corrosion, and physical impact are not a problem for them.

This rimless test tub has a permanent white marking place to prevent crucial information about the contents from being lost or erased during an experiment.

Specifications…
34mL capacity
Code 7740 for borosilicate glass
Dimensions: 150mm
20mm outer diameter
Top Design: Rimless
Bottom Material: Round Rubber Stopper Number 2
Yes, it is autoclavable.
Maximum temperature: 490°C (914°F).
Maximum working temperature: 230°C (446°F).
Lower working temperature: -230°C (382°F).
Thermal shock maximum: 160°C (320°F)
Glass laboratory containers that have been scratched or abraded should always be replaced. Because of these flaws, the glass is prone to breaking while in use.
PYREX glassware has a maximum working temperature of 490°C. However, after the temperature hits 150°C, make sure that heating and cooling are done slowly and uniformly.
In glass, do not use hydrofluoric or hot phosphoric acid.
Glass will be etched by hot alkalis.
Corning and PYREX are trademarks of Corning Incorporated, Corning, New York.

Buy stoppers for the test tubes…
Stoppers made of solid rubber, size #2.