Why shall we choose glass test tubes with rim?

The Glass Test Tube with rim is a kind of test tubes with round bottom with a crimped (or rounded) mouth. The rolling mouth (or round mouth) is used to increase the mechanical strength, and is convenient for clamping and not easy to fall off.

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Glass Test Tubes with the Rim|medlab-supplies.com

Why do we choose Glass Test Tubes with the rim?

The Glass Test Tube with a rim is a kind of test tube with round bottom with a crimped (or rounded) mouth. The rolling mouth (or round mouth) increases mechanical strength and is convenient for clamping and not easy to fall off.

General Size Details for Glass Test Tubes with rim

Glass Test Tube flat bottom size details

Material: High borosilicate glass/Ordinary Glass
General Sizes(mm): 15*150,15*180,18*180, 20*150, 20*200, 25*200, 30*120.
Accept customized sizes.