Product Name | Screw thread glass tube |
Glass Material | Borosilicate 3.3 glass, quartz glass |
Feature | Heat resistance, thermal shock resistance, high transparency |
Color | Clear transparent |
Application | Laboratory, industrial, chemical pipeline, sealing |
Thread Size | GL14, GL18, GL25, GL32, GL45, GL80, GL100 |
Packing | Carton, pallet, wooden crate |
Threaded Mouth Glass Tubes:
Reliable Sealing & Easy Installation for Global Industrial Applications
In industrial, medical, food & beverage, and laboratory sectors, the demand for glass tubes with secure sealing and convenient installation is ever-growing. As a professional manufacturer specializing in deep-processed glass products, we proudly present our high-quality threaded mouth glass tubes-engineered with precision threading to deliver exceptional sealing performance, easy assembly, and long-term durability.
Our products meet rigorous international standards and have been trusted by partners across many countries, serving as the ideal solution for applications requiring leak-proof and user-friendly glass components.
Common Thread Sizes
Threaded borosilicate glass tubes can be manufactured with different thread sizes.
Common GL thread specifications include:
GL14 Borosilicate Glass Tube
GL14 Glass Tube is a small-size threaded glass component suitable for compact laboratory and chemical equipment.
Potential applications include:
● Small laboratory vessels
● Sampling systems
● Small reaction equipment
● Laboratory connectors
● Analytical equipment
● Small glass assemblies
GL18 Borosilicate Glass Tube
GL18 Glass Tube is another small threaded glass size used in laboratory and equipment assemblies.
Applications may include:
● Laboratory glassware
● Chemical equipment
● Small reaction systems
● Sampling devices
● Analytical equipment
GL25 Borosilicate Glass Tube
GL25 Glass Tube provides a larger threaded connection than GL14 and GL18.
It can be used in:
● Laboratory equipment
● Chemical reactors
● Sampling equipment
● Glass vessels
● Reaction systems
● Industrial laboratory equipment
GL32 Borosilicate Glass Tube
GL32 Glass Tube is used for medium-sized threaded glass connections.
Potential applications include:
● Laboratory reactors
● Chemical equipment
● Glass vessels
● Reaction tubes
● Sampling systems
● Process equipment
GL45 Borosilicate Glass Tube
GL45 is one of the most widely recognized GL thread sizes in laboratory glassware.
GL45 Borosilicate Glass Tubes are used in various laboratory and chemical applications.
Potential applications include:
● Laboratory reactors
● Chemical reaction systems
● Storage vessels
● Sampling equipment
● Laboratory bottles
● Filtration systems
● Process equipment
Because GL45 is widely used in laboratory equipment, it is an important keyword for international SEO.
GL60 Borosilicate Glass Tube
GL60 Glass Tube is a larger threaded glass connection used for equipment requiring a larger opening.
Potential applications include:
● Laboratory reactors
● Industrial laboratory equipment
● Chemical processing equipment
● Large glass vessels
● Reaction systems
● Process observation equipment
GL80 Borosilicate Glass Tube
GL80 Glass Tube is a larger GL threaded glass component for applications requiring a larger threaded connection.
Potential applications include:
● Large laboratory reactors
● Chemical equipment
● Large glass vessels
● Industrial process equipment
● Reaction systems
GL100 Borosilicate Glass Tube
GL100 Glass Tube is a larger GL threaded glass component for applications requiring a larger threaded connection.
