Product features

Test tube with screw cap is made of neutral glass and have high transparency, allow you to clearly observe the state, color changes and reaction processes of the substances in the test tube. Whether it is conducting chemical experiments to observe chemical reaction phenomena or conducting biological experiments to observe cell culture conditions, it can provide good visual effects. Has some stability to most common chemicals. Able to withstand certain high temperatures, neutral glass test tubes can remain stable within an appropriate temperature range during heating operations and will not be easily deformed or broken. But be careful to avoid rapid temperature changes, which may cause the test tube to rupture.

The unique feature of test tubes with screw caps is their screw-top design.This design allows the lid of the test tube to be screwed tightly onto the test tube, provide a good seal. At the same time,the screw mouth design also allows the test tube to be reused, reduces experimental costs. Screw cap test tubes are available in different capacities and sizes to meet the needs of different experiments. Some screw cap test tubes have graduation marks to facilitate you to accurately measure and control the volume of the substance in the test tube. This is very helpful for experiments that require precise metering.

Test tube with screw cap has strong chemical resistance and good sealing properties, which can effectively prevent material leakage or external impurities from entering. Sturdy and durable, not easy to break. The surface is smooth, without burrs, defects, or protrusions.Fine craftsmanship, delicate and strong, beautiful and textured, uniform wall thickness, smooth and rounded nozzle, transparent luster, straight and slender, high transparency, beautiful and generous.

Product details

We can produce different test tubes as per customer’s requirements.We can also print your logo on the tubes if the quantity is large,please feel free to contact us online.

Product specifications

Product applications

Chemical experiments: In chemical laboratories, neutral glass test tubes are one of the most commonly used experimental equipment. It can be used for chemical reactions, solution preparation, material heating and other operations. For example, in acid-base neutralization reaction experiments, test tubes can be used to observe color changes and precipitation formation during the reaction.

Biological experiments: In biological experiments, neutral glass test tubes are also widely used. It can be used for microbial culture, cell culture, blood sample collection, etc. For example, in a microbial culture experiment, the culture medium can be put into a test tube to culture bacteria or fungi.

Teaching experiments: Because neutral glass test tubes are relatively low-priced and simple to operate, they are also widely used in teaching experiments. It can help students better understand the experimental principles and operating methods of subjects such as chemistry and biology.