In laboratory precision operations, the stirring rod and drainage rod may appear small, but they directly affect the purity and reproducibility of experimental results. Ordinary glass rods are prone to impurity precipitation, are not resistant to high temperatures, and are prone to breakage. Quartz rods, with their extremely low coefficient of expansion, excellent chemical inertness, and temperature resistance up to 1100 ℃, are becoming the "standard" consumables for precision analysis, new material research and development, and biomedical laboratories.

What can quartz rods solve for you?

Q: Why do we need to specifically consider quartz rods when there are so many consumables in the laboratory?  

A: Quartz rods have ultra-high purity, high temperature resistance, corrosion resistance, and excellent optical properties, which can solve core problems such as material contamination, high-temperature deformation, chemical corrosion, and observation errors during experimental processes. They are particularly suitable for experiments and applications in high-precision, high-temperature, or highly corrosive environments.

Q: What are the main applications of quartz rods?  

A: Quartz rods are key tools in laboratories in the fields of chemistry, biology, medicine, materials science, and high-end manufacturing, from high-temperature stirring, sample support, optical conduction to corrosive media treatment.

Core application scenarios of quartz rods in laboratories

1. High temperature experimental environment

-High temperature stirring and sample processing: Quartz rods can withstand temperatures above 1200 ℃ for a long time without deformation or releasing impurities, making them suitable for stirring molten samples and supporting high-temperature reactions.

-Thermal analysis instrument matching: In equipment such as TGA, DSC, etc., quartz rods are used as sample supports or push rods to ensure stability at high temperatures.

2. Chemical corrosive environment

-Operation in strong acid and alkali media: Quartz rods have excellent corrosion resistance to most acid and alkali solutions (except hydrofluoric acid), and can be used as stirring rods or conduits in corrosive solutions.

-High purity reaction guarantee: Quartz material itself has extremely low impurity content (≥ 99.99%), avoiding metal or plastic contamination of the experimental system.

3. Optics and Spectroscopy Experiment

-UV infrared light conduction: Quartz rods have a wide transmission range (170nm-2500nm) and are commonly used for UV lamp light guidance, spectral sample cell support, or fiber coupling components.

-Laser experiment assistance: Its low fluorescence characteristics make it suitable for precision optical experiments such as fluorescence spectroscopy and laser detection.

4. Sample support and fixation

-Crystal growth support: Quartz rods can serve as inert support frames in single crystal growth and material sintering.

-Micro reactor construction: Combined with customized design, used for laboratory self-made devices such as microfluidics and catalytic reactors.

The core advantage of quartz rods: why laboratories cannot do without them?

High purity: SiO ₂ content ≥ 99.99%, trace elements controlled at ppm level to avoid sample contamination and ensure experimental data accuracy

High temperature resistance: softening point up to 1730 ℃, long-term use temperature of 1200 ℃ to prevent high temperature deformation and fracture, improve experimental safety

Chemical stability: resistant to most acidic and alkaline solutions except hydrofluoric acid, suitable for corrosive environments, extending the life of consumables

Thermal shock stability: With an extremely low coefficient of thermal expansion (5.5 × 10 ⁻⁷/℃), it can withstand rapid cooling and heating, reducing the rate of damage

Optical performance: UV to infrared wide band high transmittance, low fluorescence background improves optical experiment signal-to-noise ratio, and data is more reliable

Electrical insulation: high resistivity (10 ⊃1;⁵Ω· cm) suitable for electrochemical and high-frequency experimental environments

Our customized services: meet the diverse needs of laboratories worldwide

1. Flexible customization of specifications and dimensions

-Diameter range: 0.5mm -2000mm

-Length customization: minimum 10mm, maximum 3000mm (can be joined according to requirements)

-Shape processing: straight bars, bent bars, tapered bars, special structures with threads/grooves/holes, etc

2. Surface treatment and precision level

-Surface smoothness: Polishing, sanding, flame polishing and other treatments can be provided according to requirements

-Tolerance control: The minimum diameter tolerance can reach ± 0.01mm, and the maximum straightness is 0.1mm/m

-End face treatment: cutting flat, spherical, and inclined surfaces to meet optical coupling or installation requirements

3. Material grade selection

-Transparent quartz rod: JGS1, JGS2, JGS3 grades, suitable for different UV transmission requirements

-Opaque quartz rod: used for high-temperature insulation and support scenarios

-Doped quartz rod: can be customized with elements such as titanium and cerium doping to adjust optical or thermal properties

4. Supporting auxiliary services

-Drawing optimization support: engineers assist in design to improve the matching of quartz rods in experimental devices

-Cleaning and Packaging: Provides dust-free cleaning and vacuum packaging to ensure products are ready for use upon arrival

-OEM/ODM cooperation: providing OEM and system integration solutions for large laboratories or instrument manufacturers

Customer Application Case (Anonymous)

Case 1: A Materials Research Institute in Germany

-Requirement: Used as a high-temperature oxide crystal growth bracket, requiring resistance to 1500 ℃, low aluminum and iron impurities, and a monthly usage of 50 units

-Solution: Provide JGS2 grade transparent quartz rod with a diameter of 12mm and a length of 600mm, and drill holes on the end face for fixing crystal seeds

-Result: Customer feedback shows that the product has no deformation or pollution during continuous use for 6 months, and the crystal yield has increased by 18%

Case 2: A biotechnology company in the United States

-Requirement: UV sterilization equipment light guide rod, requiring high UV transmittance (>90% at 254nm) and customized length

-Solution: Customized JGS1 grade quartz rod with a diameter of 8mm and a length of 5 specifications (200mm-800mm) provided according to the equipment model

-Result: UV output efficiency increased by 22%, and the customer has included the product in their equipment standard accessory list

Case 3: Chemistry Laboratory of a Japanese University

-Requirement: Strong acid environment (concentrated sulfuric acid/nitric acid mixture) stirring rod, requiring no metal pollution and resistance to frequent cleaning

-Solution: Provide a surface polished quartz rod with a diameter of 6mm and a PTFE stirring head connector

-Result: Replacing the original glass rod, the service life is extended by three times, and the experimental background impurities are significantly reduced

In modern laboratories that pursue high precision and purity, quartz rods are no longer simple auxiliary tools, but "invisible guardians" that ensure data accuracy. Whether dealing with harsh high-temperature environments, preventing trace impurities from interfering with key results, or requiring customized special structures to match non-standard equipment, professional grade quartz products can provide reliable support.

If you are looking for high-quality quartz rods or have special non-standard quartz product processing needs, please feel free to contact us immediately!

You can provide your specific dimensions (diameter/length), usage environment (temperature/chemical medium), and drawing requirements. Our engineering team will provide you with one-on-one free selection suggestions and pricing solutions to help you create more accurate and efficient experimental processes.

Luverre Quartz manufactures and sells a wide range of high quality quartz glass, including quartz tubes, quartz plates, quartz rods, quartz windows, quartz crucibles, quartz boats, quartz flanges, quartz beakers, quartz glass instruments, and more. We can meet all kinds of customized requirements for quartz glass products.