Borosilicate Glass Rod: A Stable Glass Material for Industrial and Laboratory Use

Low Thermal Expansion and Good Chemical Resistance

Borosilicate glass rod is a solid glass material known for its low thermal expansion, good thermal shock resistance, and strong resistance to many chemicals. It is widely used where ordinary glass is not suitable for repeated temperature changes or demanding working conditions.

Borosilicate glass rods can be supplied in different diameters, lengths, surface finishes, and tolerances depending on the application.

What Is Borosilicate Glass Rod Also Called?

Depending on the industry or supplier, it may also be called:

· borosilicate glass rod

· borosilicate glass bar

· borosilicate glass stick

· borosilicate rod

· borosilicate 3.3 glass rod

· high borosilicate glass rod

The term borosilicate 3.3 glass rod is commonly used when referring to borosilicate glass with a coefficient of thermal expansion of approximately 3.3 × 10⁻⁶/K.

Where Are Borosilicate Glass Rods Used?

The material is suitable for applications requiring dimensional stability and resistance to heat or chemicals.

Typical applications include:

· Laboratory glassware and equipment

· Chemical processing equipment

· Glass instrument components

· Heating and temperature-resistant assemblies

· Optical and analytical equipment

· Electrical and electronic components

· Glass processing and fabrication

· Custom glass parts

It can also be further processed by cutting, grinding, polishing, drilling, and shaping to produce specific glass components.

Why Choose Borosilicate Glass?

Compared with standard soda-lime glass, borosilicate glass has a much lower coefficient of thermal expansion. This makes it less likely to crack when exposed to rapid temperature changes.

It also offers good chemical durability, transparency, dimensional stability, and temperature resistance, making it a practical material for laboratory and industrial applications.

Customized Borosilicate Glass Rods

Jinan JSV Industrial Co., Ltd. supplies borosilicate glass rods in different diameters and lengths, with customized processing available according to drawings or samples.

If you are looking for a borosilicate 3.3 glass rod, high borosilicate glass rod, or customized glass rod, please contact us with your required diameter, length, tolerance, quantity, and application.