20-300mm ultra thick high temperature resistant JGS2 quartz glass is a high-performance special optical material designed for extreme harsh environment. It not only achieves a major breakthrough in thickness on the basis of the excellent characteristics of conventional quartz glass, but also integrates excellent heat resistance, high purity and structural stability, which can meet the strict requirements of high-end industry, aerospace, scientific research and experiment and other fields on the ultimate performance of materials.

JGS2 quartz glass uses high-purity natural crystal or silicide as raw material, and is melted through precision controlled chemical vapor deposition or electrofusion processes, ensuring no bubbles, impurities and excellent optical uniformity inside the material. Its JGS2 level represents that it has high transmittance in the ultraviolet band (especially 220nm -250nm), and also maintains excellent transmittance in the visible and near-infrared bands.

Core features:

Ultra large thickness range: provide extreme thickness selection from 20mm to 300mm, with unmatched structural strength and stability.

Extreme high temperature resistance: the softening point is up to 1730 ℃, which can be used for a long time at 1200 ℃. It can withstand higher temperature in a short time, and has excellent thermal shock resistance.

High purity and excellent optical performance: good transmittance in UV, visible and infrared bands, JGS2 level specially optimizes UV transmission.

Excellent physical and chemical properties: extremely low coefficient of thermal expansion, high hardness, wear resistance, and resistance to most acids and acidic substances (except hydrofluoric acid and hot phosphoric acid).

High insulation: it can still maintain good electrical insulation performance under high temperature.

What problems can this product solve for you?

In many cutting-edge applications, traditional glass and even ordinary quartz glass have become performance bottlenecks. Our super thick high temperature resistant JGS2 quartz glass was born to solve the following core problems:

1. Solve the problem of "fragile structure": in semiconductor, optical platform, large observation window and other applications, glass of ordinary thickness is easy to deform and break, and there are potential safety hazards. The 300mm super thick design provides the mechanical strength and rigidity of similar metals, can withstand huge pressure, impact and load, and ensure the structural integrity and long-term stability of the core part of the equipment.

2. Solve the problem of "high temperature instability": high temperature furnace observation window, semiconductor diffusion furnace tube, spacecraft thermal insulation window and other scenarios are extremely hot, and ordinary materials will soften, melt or release impurities. Our products can still maintain their shape and function at temperatures close to their melting point, and will not pollute the environment, providing reliable observation and isolation channels for high-temperature processes.

3. Solve the problem of "thermal stress cracking": the rapid temperature rise or cooling of equipment will produce huge thermal stress, which will lead to glass cracking. This product has extremely low coefficient of thermal expansion and excellent thermal shock resistance, can withstand severe temperature changes, greatly reduces the risk of failure due to thermal stress, and improves the safety and service life of the equipment.

4. Solve the problem of "UV attenuation and pollution": in the fields of UV lithography, water treatment, spectral analysis, etc., materials need to be highly transparent to UV light and have no fluorescence effect. The high-purity material of JGS2 ensures the efficient passage of ultraviolet light, and will not produce interference signals or performance attenuation due to the absorption of ultraviolet light by its own impurities.

Main application fields

With its unique performance combination, this product has become an indispensable key material in many high-tech fields.

Semiconductor industry:

Diffusion furnace tube and boat vessel: the carrying silicon wafer is doped and oxidized at high temperature, which requires high purity and high temperature deformation resistance.

Lithograph lens protection window: high optical uniformity and purity are required, and expensive built-in optical components are protected at the same time.

Aerospace and Defense:

Spacecraft observation window and heat resistant cover: withstand high temperature aerodynamic heating and huge pressure difference during re-entry.

High energy laser system window and mirror substrate: used for high power laser weapons or equipment, it needs low absorption, small thermal deformation, and can withstand high energy density.

High end industry and energy:

High temperature industrial kilns and observation windows: used in steel, glass manufacturing and other industries to monitor the high-temperature reaction process in the furnace in real time.

Diffusion furnace in photovoltaic industry: used for the production of polysilicon and monocrystalline silicon cell chips.

Nuclear fusion experimental device (such as ITER): as an observation window or insulating part, it faces extreme plasma environment.

Scientific research and optics:

Large astronomical telescope lens blank: super thick glass is an ideal base material for manufacturing large, stable and low thermal deformation mirrors.

Synchrotron radiation beam line and experimental cabin window: it is necessary to allow synchrotron radiation light of specific wave band to pass through and isolate vacuum.

Precision optical platform and base: use its ultra-high rigidity and stability as the installation foundation of vibration sensitive equipment.

Our customized services

We know that standard specifications often cannot meet the unique needs of all cutting-edge applications. Therefore, we provide comprehensive and flexible customized services to ensure that the products match your project perfectly.

Size and shape customization:

In addition to standard plates and blocks, it can provide round, square, irregular and other shapes of blanks or initial processing parts.

According to your design drawings, precision machining such as cutting, drilling and grooving can be carried out to reduce your subsequent processing costs and time.

Customized surface treatment:

Optical level polishing: different levels of optical polishing can be provided to achieve specific surface roughness and flatness (such as λ/10), meeting the requirements of precision optical applications.

Rough, matte: used for scenes that need diffuse reflection or hide internal structures.

Coating service:

Antireflective film (AR film): for specific wavelength (such as ultraviolet, visible light or infrared), it can greatly improve the transmittance and reduce reflection loss.

Reflecting film: make high-performance mirrors.

Beam splitter and filter film: meet the needs of complex optical systems.

Weather resistant protective film: enhance the scratch resistance and corrosion resistance of the surface.

Performance index negotiation:

We can communicate and control specific indicators such as optical uniformity, fringe degree, bubble level and laser damage threshold to meet your most stringent technical agreement.

Frequently Asked Questions

What is the maximum continuous operating temperature for this JGS2 quartz glass?

Our JGS2 quartz glass can withstand continuous operating temperatures up to 1150°C and short-term exposure up to 1200°C, thanks to its extremely low coefficient of thermal expansion.

Can you provide custom cutting and polishing services for non-standard dimensions?

Yes, we specialize in custom fabrication. We can cut, grind, and polish JGS2 blocks into specific shapes, including circles, rectangles, and complex geometries, with thicknesses ranging precisely from 20mm to 300mm.

What is the optical transmission range of JGS2 material?

JGS2 quartz glass offers high transmission in the visible and near-infrared spectrum (approx. 85% transmission at 20mm thickness), making it suitable for optical applications requiring heat resistance.

How does the thickness affect the thermal shock resistance?

While quartz has excellent thermal shock resistance, extreme thickness (over 100mm) requires controlled heating and cooling rates to prevent internal stress accumulation. We provide technical guidance on thermal cycling for thick-section components.

If you are looking for a reliable material that can withstand extreme environmental challenges, our ultra thick high temperature resistant JGS2 quartz glass will be your ideal choice. Contact us immediately to discuss your specific needs and let us provide you with customized solutions.

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.