Borosilicate Screw Threaded Glass Tube: GL14, GL18, GL25, GL32, GL45, GL60, GL80 and GL100 Glass Tubes

Borosilicate Screw Threaded Glass Tube is a specialized glass tube with a molded or formed screw-thread connection, designed for applications requiring a secure threaded connection between glass tubes, caps, fittings, reactors, laboratory equipment, and other components.

This product is also commonly called a threaded glass tube, screw threaded glass tube, GL glass tube, GL threaded glass tube, borosilicate threaded tube, threaded reactor tube, or glass reactor tube, depending on the application and industry.

The most common GL screw thread sizes include: GL14, GL18, GL25, GL32, GL45, GL60, GL80 and GL100.

Different GL sizes are selected according to the required opening diameter, cap, fitting, sealing system, and equipment design.

Made from borosilicate glass, threaded glass tubes are widely used in laboratories, chemical equipment, glass reactors, reaction systems, sampling equipment, filtration systems, pharmaceutical equipment, analytical instruments, and industrial process equipment.

Jinan JSV Industrial Co., Ltd. supplies customized borosilicate screw threaded glass tubes, GL glass tubes, threaded reactor tubes, and laboratory threaded glass components for international customers.

What Is a Borosilicate Screw Threaded Glass Tube?

A Borosilicate Screw Threaded Glass Tube is a glass tube manufactured from borosilicate glass with a screw-threaded connection at one or both ends.

The threaded section allows the glass tube to connect with compatible:

● Glass caps

● Plastic caps

● Metal fittings

● Sealing rings

● Gaskets

● Adapters

● Connectors

● Laboratory components

● Reactor components

Compared with a conventional plain glass tube, a threaded glass tube provides a more convenient mechanical connection system.

The combination of borosilicate glass + standardized GL thread makes this product particularly useful for laboratory and chemical equipment.

GL Threaded Glass Tube with Cap

GL threaded glass tubes can be used with compatible caps and sealing components.

Depending on the application, the cap may be made from:PP, PBT, PTFE, PFA and other material.

A sealing liner or gasket may be used between the cap and glass to provide the required sealing performance.

This combination is widely used in laboratory and chemical equipment.

How to Choose a Borosilicate Screw Threaded Glass Tube

Before ordering, consider the following factors.

1. GL Thread Size

Confirm whether the application requires:

GL14, GL18, GL25, GL32, GL45, GL60, GL 80, GL100 or another size.

2. Tube Dimensions

Provide: OD, ID, Wall thickness and  Length.

3. Operating Temperature

Confirm the normal and maximum operating temperature.

4. Chemical Medium

Specify the chemicals or process medium contacting the glass.

5. Pressure

If the tube is used in a pressurized system, provide the operating and design pressure.

6. Connection

Confirm the compatible: Cap, Fitting, Adapter, Gasket and Sealing system.

7. Quantity

For OEM applications, provide the expected annual or order quantity.

Jinan JSV Industrial Co., Ltd. supplies borosilicate screw threaded glass tubes and customized GL glass components for international laboratory, chemical, analytical, and industrial equipment customers.

For international buyers searching for a Borosilicate Screw Threaded Glass Tube Manufacturer, GL Glass Tube Supplier, GL45 Glass Tube Manufacturer, Threaded Reactor Tube Supplier, or Custom Laboratory Glass Tube Manufacturer in China, Jinan JSV Industrial Co., Ltd. provides customized borosilicate threaded glass tube solutions based on customer drawings, samples, GL thread specifications, dimensions, and application requirements.