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Diameter 5-1800mm transparent quartz plate

Our transparent quartz plate is made of high-purity fused silica (SiO ₂ ≥ 99.99%), which has excellent high temperature resistance, low coefficient of thermal expansion, high transmittance and excellent chemical stability. The product diameter range covers 5mm to 1800mm, and the thickness can be customized according to needs (0.1mm to 50mm), suitable for precision optics, semiconductors, photovoltaics, laser technology, and high-temperature industries.

Do quartz slabs age when exposed to UV light

Whether quartz plates age under prolonged UV exposure depends on their material properties. Unlike resin-based engineered quartz plates, high-purity quartz plates—made from fused quartz or through specialized processes—offer excellent UV resistance and weather resistance. Their surfaces not only effectively reflect UV rays but also withstand extreme temperature fluctuations and harsh environments, ensuring they do not fade, chalk, or crack when used outdoors or under intense sunlight.

As a professional source manufacturer of quartz products, we are committed to providing high-performance quartz slab solutions to customers worldwide. Our products completely resolve challenges such as material aging, fading, and cracking in outdoor or high-intensity light environments, meeting your stringent requirements for high light transmittance, superior weather resistance, and ultimate purity. At the same time, we offer highly flexible customization services for specifications and dimensions to precisely match the application needs of various complex scenarios.

20-900mm photovoltaic quartz furnace tube

The 20-900mm photovoltaic quartz furnace tube is a high-purity quartz glass tube designed specifically for the photovoltaic (solar) industry, semiconductor manufacturing, and high-temperature heat treatment processes. This product is made of high-purity fused silica (SiO ₂) material, which has excellent thermal stability, chemical inertia, low thermal expansion coefficient and excellent optical transmittance. It is suitable for processes such as crystal growth, diffusion, oxidation and annealing under high temperature environment.

Will Drilling Holes in Quartz Slabs Cause Cracks

Whether quartz plates crack during drilling depends primarily on the machining process, equipment precision, and the physical properties of the material itself. As a highly hard and brittle material, using standard drill bits or applying excessive force during drilling can easily lead to chipping or cracking due to thermal stress concentration. However, by selecting industrial-grade diamond drill bits, implementing continuous water cooling, and allowing for scientifically calculated safety margins, it is entirely possible to achieve high-precision, damage-free drilling that ensures the structural stability of the finished product.

From the user’s perspective, we fully understand that in precision manufacturing and engineering applications, the machining quality of quartz slabs directly determines the yield rate and service life of the final product. We are committed to providing you with a one-stop solution—from drawings to finished products—to thoroughly resolve challenges such as machining cracks, excessive dimensional tolerances, and performance degradation under extreme conditions. Through customized secondary processing services, we help clients eliminate cumbersome secondary processing steps, significantly reducing material waste and production time costs, and ensuring that every quartz plate perfectly meets your core application requirements.

5–10 mm JGS1 Transparent UV Quartz Plate

The 5–10 mm JGS1 Transparent UV Quartz Plate is a high-performance optical window material specifically designed for the far-ultraviolet to near-infrared spectrum. Crafted from high-purity synthetic quartz, it features exceptional spectral transmittance, an extremely low coefficient of thermal expansion, and outstanding chemical stability. Quartz plates in this thickness range offer excellent mechanical strength and flatness while ensuring high light transmittance, making them indispensable core components for precision optical systems.

FAQ Q1: What are the fundamental differences between JGS1 transparent UV quartz plates and JGS2 and JGS3? A: JGS1 is a far-ultraviolet optical quartz glass manufactured from synthetic quartz. It features extremely high transmittance and no absorption bands in the 185–2500 nm wavelength range, making it particularly suitable for short-wavelength ultraviolet applications. JGS2 is primarily used in the 220–2500 nm wavelength range, while JGS3 is geared toward infrared applications in the 260–3500 nm range. Q2: What are the optical advantages of quartz plates with a thickness of 5–10 mm? A: 5–10 mm is a commonly used thickness for precision optical windows and laser protection. This specification maintains extremely high transmittance from the ultraviolet to the near-infrared (with transmittance in the visible light region reaching over 93%) while providing excellent surface flatness (e.g., λ/10) and extremely low parallelism deviation, effectively reducing optical path difference and wavefront distortion. Q3: Can your company provide custom sizes and specialized coating services? A: Absolutely. We offer custom machining for outer diameters ranging from 1 mm to over 600 mm, with thickness tolerances controlled within ±0.05 mm. Additionally, our cleanroom facilities support precision coating services for single-sided/double-sided anti-reflective (AR) coatings, high-reflective (HR) coatings, and various protective coatings. Q4: Is this type of quartz plate stable in high-temperature or highly acidic/alkaline environments? A: It is extremely stable. JGS1 quartz plates have a softening point as high as 1730°C and can be used long-term at 1100°C. Except for hydrofluoric acid, it reacts with virtually no acidic substances; its acid resistance is 150 times that of stainless steel, making it fully capable of withstanding extreme chemical and thermal environments.

Corrosion-Resistant Quartz Sleeves for Water Treatment

Corrosion-resistant quartz sleeves for water treatment are core protective components specifically designed for underwater UV disinfection systems. Made from high-purity fused quartz, they offer exceptional resistance to acid and alkali corrosion and high light transmittance. They effectively isolate the lamp from water-borne corrosion while ensuring efficient transmission of 253.7 nm UV light, thereby guaranteeing the long-term, stable operation of water treatment systems. They are an ideal choice for the environmental protection and sanitation sectors.

Frequently Asked Questions (FAQ) Q1: Why do water treatment quartz sleeves require high corrosion resistance? A: Water treatment environments (such as sewage and industrial wastewater) often contain complex chemical substances. Quartz glass possesses excellent chemical stability; its acid resistance is 30 times that of ceramics and 150 times that of stainless steel. Except for hydrofluoric acid and hot phosphoric acid, it is inert to the vast majority of acids and alkalis, effectively addressing the corrosion challenges posed by harsh water quality. Q2: Do quartz sleeves affect the effectiveness of UV disinfection? A: No. We manufacture our sleeves from fused quartz with low hydroxyl content, achieving a light transmittance of over 90% in the UV spectrum (particularly at the 254 nm wavelength). This high transmittance ensures that UV light penetrates the sleeve without loss, achieving the desired disinfection and purification results. Q3: Can quartz sleeves be customized to specific sizes and shapes? A: Absolutely. We offer a full range of custom processing services, including cutting, end sealing, flaring, flaring, tapering, flanging, and frosting. Whether single-ended, double-ended, round-ended, or flat-ended, we can precisely customize them according to your equipment drawings.

Is There a Significant Difference in Light Transmittance Among Quartz Tubes with Different Wall Thicknesses

In optical design and industrial applications, wall thickness is a key geometric parameter that affects the light transmittance of quartz tubes. Theoretically, the absorption and reflection losses that occur when light passes through a quartz medium are directly related to the optical path length; an increase in wall thickness means a longer optical path, causing light transmittance to decrease exponentially. Taking high-purity fused quartz tubes in the visible light spectrum as an example, their transmittance typically exceeds 90%. However, when the wall thickness increases from 1 mm to 5 mm, transmittance in the deep ultraviolet spectrum may decrease significantly. This indicates that “wall thickness affects transmittance” is an objective physical law, but the extent of the impact depends on the specific spectral band and application scenario. In practical applications, our products effectively address the optical challenges posed by variations in wall thickness. Whether it’s ultra-thin walls required for deep-ultraviolet germicidal lamps to ensure high transmittance at 254 nm, or sufficient wall thickness needed for high-temperature tube furnaces to withstand thermal stress, we provide precise custom solutions that strike the optimal balance between mechanical strength and optical performance, thereby preventing reduced equipment efficiency or increased energy consumption caused by improper wall thickness selection.

As a professional manufacturer of custom quartz products, we fully understand the many challenges our customers face under complex operating conditions. We are committed to providing comprehensive customization services—ranging from standard to irregular shapes and from low-hydroxyl to ultra-high-purity quartz—to precisely address challenges such as transmittance decay, high-temperature crystallization deformation, and chemical corrosion. Through strict wall thickness tolerance control (±0.1 mm) and customized material selection, we help you achieve stable and efficient processes in fields such as semiconductors, photovoltaics, and specialty lighting, ensuring that every quartz tube perfectly meets your production needs.

What causes white mist on the inner wall of a quartz tube and how to clean it

The appearance of white mist on the inner wall of quartz tubes is usually caused by poor high-temperature dehydroxylation, poor production exhaust, insufficient internal gas purity, or residual impurities left after cleaning. To address this technical challenge, we provide customized quartz tubes with high purity and transparency, eliminating the risk of white mist from the source. We support customization of various specifications and sizes, and through precision machining and ultra clean cleaning processes, ensure that our products meet the stringent requirements of semiconductor, photovoltaic, and optical fields, providing you with reliable consumables protection.

As a professional quartz product customization manufacturer, Luweiya Quartz is committed to providing high-quality and high-purity quartz pipe solutions to global customers. Our product can effectively solve the application challenges of quartz tubes such as crystallization, fogging, decreased transmittance, and shortened lifespan at high temperatures. Through strict purification and dehydroxylation processes, we ensure that the inner wall of the quartz tube is clean and free of impurities, ensuring the stability and yield of downstream processes. At the same time, we provide comprehensive customization services from regular sizes to non-standard shapes (such as punching, slotting, and large-diameter expansion pipes) to meet the personalized needs of users in different industries.

Optical Quartz Glass Plate Accessories

Optical quartz glass plate plays an important role in scientific research and industrial applications due to its excellent physical and chemical properties. Our Customized Optical Quartz Glass Plate Accessories are made from high purity quartz sand through advanced manufacturing process to ensure high quality and reliability.

Please feel free to contact us if you have any questions or need further details on customization. Our professional team will provide you with technical support and consulting services to help you choose the most suitable customized solution.

Transparent quartz sight glass observation window

The transparent quartz sight glass observation window is a high-performance optical window designed specifically for extreme industrial environments. It is made of high-purity quartz glass and has excellent high temperature resistance, high pressure resistance, and full spectrum high transmittance characteristics. As a "transparent eye" for vacuum systems, high-temperature furnaces, and precision instruments, it can ensure distortion free and high-definition internal observation views under high temperature or ultra-high vacuum conditions above 1000 ℃. It is a core component for ensuring safe and precise operation of scientific research and industrial production.

Frequently Asked Questions (FAQ) Q1: What is the difference between a transparent quartz sight glass observation window and a regular glass sight glass? A: Ordinary glass is prone to softening or light transmittance attenuation in high temperature or strong ultraviolet environments. Our transparent quartz mirror is made of high-purity silicon dioxide, with a softening point of up to 1730 ℃, and can be used stably for a long time at 1100 ℃. At the same time, it has excellent transmission performance in the ultraviolet, visible, and infrared bands, and has an extremely low coefficient of thermal expansion, which can withstand drastic temperature changes without breaking. Q2: Can your company provide customized services for non-standard sizes and special interfaces? A: Absolutely possible. We have mature deep processing capabilities for quartz products, not only providing standard flange specifications such as CF25, CF35, CF50, CF63, CF80 for windows, but also supporting customized production of irregular cutting, drilling, polishing, and special sealing structures based on customer provided drawings, samples, or special working conditions. Q3: How to ensure the optical performance of quartz windows? A: Our quartz mirror has undergone strict precision polishing treatment, with a smooth and flawless surface and extremely low scattering rate. We provide a variety of optical grade quartz materials from ultraviolet to infrared to meet different spectral requirements, ensuring no absorption band in the 200-250nm wavelength range and significantly better infrared transmittance than ordinary silicate glass, meeting high-precision optical detection requirements.

Round-bottom thick-walled quartz test tube

The round bottomed thick walled quartz test tube is a precision experimental consumable designed specifically for extreme working conditions such as high temperature, high pressure, and strong corrosion. Made of high-purity quartz material, it has excellent heat shock resistance and chemical stability. Its thickened bottle body design ensures balanced force distribution, effectively avoiding local overheating and material boiling. Its high transparency makes it easy to observe the reaction process in real time, making it an ideal choice for high-end scientific research and industrial production.

Frequently Asked Questions (FAQ) Q1: What is the temperature resistance limit of a round bottomed thick walled quartz test tube? A: This product is made of high-purity quartz material with a softening point of up to 1730 ℃. It can work stably in a high temperature environment of 1100 ℃ for a long time and has excellent thermal shock resistance. It can withstand severe temperature changes without cracking. Q2: Does it support customization of non-standard sizes and irregular structures? A: Fully supported. We provide comprehensive non-standard precision customization services, whether it is special capacity, thickened bottle body, special caliber grinding mouth, or multi mouth misaligned opening, all can be customized according to your experimental drawings and operating parameters. Q3: What is the sealing performance and bottle mouth processing accuracy of the product? A: We use precision detail polishing technology to ensure that the bottle mouth is round, smooth, and free of burrs. The precision fit of the polishing mouth ensures that there is no hanging liquid and excellent sealing, effectively preventing gas or liquid leakage during the reaction process. Q4: What is the delivery cycle for customized orders? A: As the source factory, we have abandoned the intermediary link and have flexible production scheduling. Conventional samples can be quickly produced, and non-standard customized orders have a short delivery cycle, ensuring that your research and production progress is not limited by consumables.

Why is the edge of quartz tube prone to breakage after cutting

During the processing of quartz products, cutting edge chipping is a common challenge that affects product yield and performance. Quartz material itself has high hardness but low toughness, and belongs to brittle materials. If the force is uneven or the heat is not controlled properly during cutting, it is easy to produce microcracks or collapse directly at the incision. This type of edge defect not only affects aesthetics, but may also directly lead to stress concentration and fracture of quartz tubes in subsequent use or high-temperature environments, especially in high demand applications such as semiconductors, photovoltaics, and laboratories. Edge quality directly determines the reliability and lifespan of the product.

Faced with the problem of edge breakage in quartz tube cutting, we are well aware of the core needs that users are most concerned about: firstly, pursuing perfect cutting end face quality to avoid product scrap caused by breakage; Secondly, we hope to improve processing efficiency and avoid cost waste caused by secondary polishing or rework; Thirdly, customized cutting services are required to adapt to different specifications and special-shaped quartz tubes. Our professional customization service effectively reduces the damage layer on the cutting edge through advanced cold cutting technology and fine process control, ensuring a smooth and flat end face, and helping you improve the yield and performance of the final product.

High purity large-diameter quartz heating tube

High purity large-diameter quartz heating tube is a core heating element made of high-quality quartz glass with a purity of over 99.99% as the substrate, combined with precision hot and cold processing technology. This product not only has excellent high temperature resistance, thermal shock resistance, and chemical inertness, but also achieves efficient directional transmission of infrared radiation. We provide full-size non-standard customized services, specializing in providing stable and reliable thermal energy solutions for extreme working conditions such as semiconductors, photovoltaics, and high-end industrial drying.

Frequently Asked Questions (FAQ) Q1: What is the maximum operating temperature of high-purity large-diameter quartz heating tubes? A: Our quartz heating tube is made of high-purity quartz glass with a softening point of approximately 1730 ℃. In conventional applications, it can work stably below 1200 ℃ for a long time, and its short-term extreme operating temperature can even exceed 1400 ℃, fully meeting the needs of most high-temperature industries and scientific research. Q2: What caliber and size customization services can you provide? A: We have complete large-diameter expansion equipment and precision cold processing centers, supporting customization of large-diameter quartz tubes with outer diameters ranging from tens of millimeters to hundreds of millimeters (such as 200mm-600mm and above). At the same time, wall thickness, length, and nozzle shape (such as expansion, contraction, flanging, sealing, etc.) can be customized according to your specific drawings for depth. Q3: What are the core advantages of quartz heating tubes compared to traditional metal heating tubes? A: Quartz heating tube is essentially an infrared radiation heater. Its thermal inertia is extremely low, and it reaches the working temperature almost instantly after being powered on; And quartz glass has a very high transmittance for infrared radiation (up to 90% or more), with good energy concentration and directionality. Compared with traditional convection heating methods, it can save about 30% energy and has a longer service life. Q4: What are the practical effects of high purity on the performance of heating tubes? A: High purity (such as 99.99% or higher) means extremely low metal impurity content (such as Na, K, Fe, etc.<1ppm). This not only ensures that the heating tube does not crystallize or deform at high temperatures, but also avoids impurity ions from evaporating and contaminating the heated material in high-temperature environments, which is crucial for clean processes such as semiconductor wafer processing and high-purity material sintering.

How to quickly distinguish between quartz tubes and ordinary glass tubes

Accurately distinguishing between quartz tubes and ordinary glass tubes is the key to ensuring experimental safety and production yield in the fields of industry and scientific research. Although the appearance of the two is similar, the core difference lies in the purity of silicon dioxide: the purity of quartz tube is over 99.9%, with excellent high temperature resistance and ultraviolet transmission performance; However, ordinary glass tubes contain impurities of fluxing agents, have poor heat resistance, and block ultraviolet rays. Mastering scientific identification methods can effectively avoid safety hazards caused by material misuse.

As a professional quartz product customization manufacturer, Luverre Quartz deeply understands the decisive impact of material selection on end use applications. Our products are designed to solve technical challenges under extreme working conditions, whether it is to cope with the ultra-high temperature environment in semiconductor manufacturing or the strict requirements for high transmittance in optical instruments, we can provide perfectly adapted solutions. We are committed to providing customized quartz products with full specifications and multiple scenarios to help global customers break through process bottlenecks, enhance product added value and production efficiency.

Heat resistant optical transparent JGS1 JGS2 fused silica plate

Heat resistant optical transparent JGS1 and JGS2 fused silica plates are special amorphous optical materials with high-purity silica as the core. JGS1 is a far ultraviolet grade synthetic quartz with ultra-high transmittance and extremely low impurities in the 185-2500nm wavelength range; JGS2 is ultraviolet grade gas refined fused silica, suitable for 220-2500nm wave band. Both have extremely low thermal expansion coefficients and excellent chemical stability, making them ideal substrates for dealing with extreme high temperatures, strong ultraviolet radiation, and high-precision optical system challenges. They support customized processing of full size specifications.

Frequently Asked Questions (FAQ) Q1: How to select JGS1 and JGS2 fused silica plates in application? A1: The selection mainly depends on your working wavelength and application scenario. If it involves deep ultraviolet (<220nm) lithography, excimer laser or extremely high purity requirements, it is recommended to choose JGS1; If mainly used in the conventional ultraviolet, visible to near-infrared bands (such as 220-2500nm) and pursuing high cost-effectiveness, JGS2 is an ideal choice. Q2: How high temperature can this type of quartz plate withstand? Will sudden cold and heat rupture? A2: Its softening point is above 1683 ℃, and it can work stably at high temperatures of 1100 ℃ for a long time. Meanwhile, thanks to its extremely low coefficient of thermal expansion (about 5.5 × 10 ⁻⁷/℃), it has excellent thermal shock resistance and will not explode even if quickly placed in cold water after heating. Q3: Can we provide non-standard cutting, polishing, and coating services? A3: Absolutely possible. We provide one-stop customized services from raw materials to finished products, including various irregular size cutting, high-precision surface polishing (such as λ/10 flatness), chamfering treatment, as well as customized coating services such as anti reflective film (AR) and high reflective film (HR).

What is the maximum temperature resistance of quartz tube

The long-term continuous use temperature of quartz tubes is usually recommended to be controlled within 1100 ℃, and the short-term ultimate temperature resistance can reach 1450 ℃. If operated at high temperatures exceeding 1100 ℃ for a long time, quartz tubes will indeed face softening deformation and irreversible crystallization risks. Therefore, in extreme high-temperature processes, it is necessary to strictly control the temperature threshold and the rate of temperature rise and fall to ensure the safety, stability, and service life of the equipment.

As a professional quartz product manufacturer, Luverre Quartz is committed to providing high-purity and high-precision customized quartz tube solutions for global customers. We provide one-stop services from material selection to deep processing to address issues such as material failure, purity contamination, and frequent shutdowns encountered by users under harsh working conditions. We ensure excellent performance in high temperature resistance, thermal shock resistance, and corrosion resistance of our products, guaranteeing smooth and unobstructed core process flow for you.

What is the thermal expansion coefficient of quartz glass under high temperature applications

Under high temperature applications, the thermal expansion coefficient of quartz glass is extremely low, usually between 0.5 × 10 ⁻⁶/℃ and 0.55 × 10 ⁻⁶/℃. This characteristic enables it to maintain excellent dimensional stability and almost no deformation even when subjected to drastic temperature changes. As a professional quartz product customization manufacturer, Luweiya Quartz is committed to providing you with high-performance quartz components that meet harsh working conditions and meet the application needs of various extreme environments.