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Heat treatment heated quartz glass tube

  • Heat treatment heated quartz glass tube

  • Heat treatment heating quartz glass tube, usually refers to the use of quartz glass tube as a heating element carrier or directly as a heating medium,

  • LUVERRE quartz

  • 99.99%

  • Inner with Vacuum PVC bag and then wrapped with air bubble film, outer with wooden box.

  • as per customer's requirement

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Heat treatment heated quartz glass tube


Heat treatment heating quartz glass tube, usually refers to the use of quartz glass tube as a heating element carrier or directly as a heating medium, through the current flowing through the resistance wire in the tube (such as silicon carbide rod, molybdenum wire, etc.) or the use of high-frequency induction to generate heat, used for heating, insulation or specific heat treatment of materials inside or outside the tube.


Its core advantage lies in the utilization of the excellent properties of quartz glass.

High purity and chemical stability: quartz glass has high purity, strong acid resistance (except hydrofluoric acid), alkali resistance and most chemical reagents, and is not easy to react with heated materials. It is suitable for high purity requirements or corrosive environments.

High temperature resistance: Quartz glass has a very high operating temperature (up to 1100 ° C for a short time, usually around 1000 ° C for long-term use), which can meet a variety of high-temperature heat treatment requirements.

Low coefficient of expansion: The coefficient of thermal expansion is extremely low (about 0.54 × 10 ° C/° C), it is not easy to break when the temperature changes drastically, and it has good thermal stability. It is suitable for applications with rapid temperature rise and fall or large temperature fluctuations.

Light transmittance: Quartz glass has good transmittance to visible and ultraviolet light, making it easy to observe the heating process in the tube. It is also suitable for applications that require light radiation heating.

Electrical insulation: It can maintain good electrical insulation properties at high temperatures.

Therefore, heat treatment heating quartz glass tubes are an ideal choice for heat treatment under harsh conditions such as high temperature, high purity, and corrosion resistance.


Heat treatment heated quartz glass tube


Heat treatment heating quartz glass tube application

Due to its unique properties, heat-treated quartz glass tubes are widely used in a variety of fields.

Semiconductor and optoelectronic industries:

Epitaxial growth: In molecular beam epitaxy (MBE), chemical vapor deposition (CVD) and other processes, as a reaction chamber or heating zone, providing a high temperature, high purity, and pollution-free environment.

Wafer annealing: Annealing semiconductor wafers to activate doping, repair damage, etc.

LED manufacturing: The relevant heat treatment process in the LED chip manufacturing process.

Chemical and materials science:

High-temperature reaction: as a high-temperature, corrosion-resistant reaction vessel or pipeline, used for high-temperature chemical reactions in the gas or liquid phase.

Material sintering/synthesis: high temperature sintering of powder materials or synthesis of new ceramics, composites, etc.

Catalyst preparation and evaluation: as a reaction tube in catalyst preparation and activity evaluation experiments.

Laboratory research:

High temperature sample processing: such as high temperature burning, ash, thermal decomposition and other analytical pretreatment.

Precision thermal analysis: used as a carrier or part of the heating zone of a sample boat in instruments such as thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC).

Chemical synthesis: Carrying out organic or inorganic synthesis reactions that require precise temperature control and require no pollution.

Medical and Biotechnology:

Sterilization: Some special high-temperature sterilization equipment may use quartz glass tubes as heating or transmission elements.

Biological sample processing: High-temperature treatment of certain biological samples that are sensitive to contamination.

Other:

Special light bulbs: such as certain bulbs that require high temperature resistance or a special spectrum.

Heat treatment furnace liner: as a heating chamber for some small or dedicated heat treatment furnaces.


Heat treatment heated quartz glass tubes


Heat treatment heating quartz glass tube custom description

Since the requirements for quartz glass tubes vary widely in different application scenarios, customization is very common. When customizing, it is usually necessary to specify the following parameters and requirements:

Basic size:

Outer diameter (OD): Determines the thickness of the tube, affecting the heating power and internal space.

Inner diameter (ID): Determines the maximum size of the material that can be contained in the tube.

Length: Determined according to the size of the heating area or equipment.

Wall Thickness: affects the mechanical strength, pressure resistance (if there is pressure inside) and thermal conductivity of the tube. It needs to be selected according to the balance of pressure, temperature and mechanical strength requirements.

Material and purity:

Type: Do you use high-purity quartz glass (e.g. spectral purity, electronic grade) or ordinary quartz glass? High purity is essential for industries such as semiconductors.

Purity: clarify the requirements for the content of impurities (such as Fe, Al, Ti, etc.).

Heating method and structure:

Internal heating: Do you need to place resistance wires (such as silicon carbide rods, molybdenum wires) in the tube? Need to reserve installation space or design a specific liner structure.

External heating: Does the tube itself need to be directly heated by electricity (e.g. conductor tubes for high-frequency induction heating)? Or as a container heated by an external heating element (e.g. a resistance furnace)?

Heating zone: Is it necessary to heat a specific part of the tube? It may be necessary to design a structure with layer heating or sectional heating.

End processing:

Sealing: Do you need to seal both ends of the pipe? Sealing method (melt seal, mechanical seal, etc.).

Openings/tailpipes: Is it necessary to leave openings at one or both ends? Is it necessary to install tailpipes (such as capillaries made of quartz glass) to connect pipes, pass gas, or lead wires?

Grinding: Is it necessary to grind (standard or non-standard) in order to connect with other glassware?

Special processing:

Bend/twist: Is it necessary to bend the tube to a specific angle or shape?

Scale/Marking: Is it necessary to engrave a scale or special marking on the tube body?

Coating: Is a special coating required (e.g. high temperature resistant coating, reflective coating, etc.)?

Polishing: Do the inner and outer surfaces of the tube need to be polished to achieve a specific finish?

Performance requirements:

Maximum operating temperature: specify the maximum temperature that the pipe needs to withstand.

Pressure/vacuum requirements: If there is pressure in the tube or a vacuum is required, the pressure range needs to be specified.

Mechanical strength: are there any special requirements for bending resistance, impact resistance, etc.?

Electrical properties: If used for electric heating or involving electric fields, are there any requirements for insulating properties?

Quantity and Delivery: Identify the required quantity and expected delivery time.


Heat-treated heated quartz glass tubing is a powerful heating tool that is widely used and highly dependent on customization to meet specific needs.


quartz properties


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.

For more information, please feel free to contact us.


Why choose us?

1.We are more experienced.

We have over 18 years production experience of quartz items.

2.We are more efficient.

We reply customers’ requests within 24 hours and we have high efficient production, engineers and sales team.

3.Our quality is more guaranteed.

We control the quality from quartz lumps to quartz sand and then quartz products, we have better and stricter quality control than other manufactures.

4.We are able to produce more difficult quartz products.

We have large grinding platforms and precision etching machines which enable us to produce large sizes of quartz plates, tubes and high size precision quartz items.


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