Welcome To Huida

We have been proud from the higher consumer gratification and wide acceptance due to our persistent pursuit of high quality both on product or service and service for Factory wholesale 16X100mm Borosilicate Glass Clear Screw Rounded Bottom Test Tube for Lab Using, Our merchandise are new and old clients consistent recognition and trust. We welcome new and aged consumers to call us for long run company relations, common advancement. Let’s speeding in the dark!
We have been proud from the higher consumer gratification and wide acceptance due to our persistent pursuit of high quality both on product or service and service for Borosilicate Glass Test Tube Factories, Screw-Capped Test Tube Glass Factories, Our company has always insisted on the business principle of “Quality, Honest, and Customer First” by which we have won the trust of clients both from at home and abroad. If you are interested in our solutions, you should do not hesitate to contact us for further information.

Test Tube Introduction

The test tube is used as a reaction container for a small amount of reagents, and can also be used to collect a small amount of gas. The size of the test tube is generally specified by the product of the tube outer diameter and the tube length. Commonly used are 12 × 100 mm, 15 × 150 mm, 18 × 180 mm, 20 × 150 mm, and 25 × 200 mm.

About Test Tube

Product Specification

The dimensions are all measured by hand, so there may be some errors. Please contact us for the specific freight.

Precautions for the use of glass test tubes

1.When the solution is filled, it does not exceed 1/2 of the capacity of the test tube, and when it is heated, it does not exceed 1/3 of the test tube.
2.When dripping liquid into the test tube with a dropper, do not reach into the test tube mouth;
3.Tweezers should be used to take the block solid into the test tube. Do not drop the solid directly into the test tube to prevent the bottom of the test tube from cracking;
4.The test tube clamp is used for heating, and the test tube mouth should not face people. When heating the test tube containing the solid, the nozzle of the tube should be slightly downward, and when the liquid is heated, it should be tilted about 45°; the test tube clamp should be clamped at 1/3 of the bottle opening.
5.Heat evenly to avoid bumping or tube explosion;
6.After heating, it cannot be cooled rapidly to prevent cracking.
7.Preheat when heating to prevent the test tube from bursting due to sudden heat.
8.When heating, keep the outer wall of the test tube free of water droplets to prevent uneven heating and bursting.
9.After heating, do not wash the test tube before it has cooled to room temperature.
10.When using the test tube clamp to clamp the test tube, put the test tube clamp up from the bottom of the test tube and clamp it on the middle and upper part of the test tube. Within one of the positions is reasonable.
11.Heating application outer flame

Note: The test tube can be heated directly. 

The following is a list of Huida laboratory glassware, if you are also interested in the following other products, please feel free to contact us, we will reply you as soon as possible.

Scope Of Application

We have been proud from the higher consumer gratification and wide acceptance due to our persistent pursuit of high quality both on product or service and service for Factory wholesale 16X100mm Borosilicate Glass Clear Screw Rounded Bottom Test Tube for Lab Using, Our merchandise are new and old clients consistent recognition and trust. We welcome new and aged consumers to call us for long run company relations, common advancement. Let’s speeding in the dark!
Factory wholesale China Borosilicate Glass Test Tube Factories, Screw-Capped Test Tube Glass Factories, Our company has always insisted on the business principle of “Quality, Honest, and Customer First” by which we have won the trust of clients both from at home and abroad. If you are interested in our solutions, you should do not hesitate to contact us for further information.