High-Temperature Resistant Quartz Lamp Holders from China Suppliers - Durable Factory Lighting Solutions
Product Description
Made from 99.99% high-purity fused silica, our large-diameter quartz tube is free of impurities, ensuring minimal thermal expansion and maximum resistance to thermal shock (can withstand rapid temperature changes from -20℃ to 1200℃). It is non-toxic, non-porous, and resistant to most acids (except hydrofluoric acid) and alkaline solutions, making it suitable for corrosive chemical processing.
Core Advantages- Superior thermal stability: Operates continuously at 1100℃, short-term use up to 1450℃
- Excellent mechanical strength: High compressive strength and impact resistance, cracking during installation and use
- Customization support: Cut-to-length, flanged ends, and drilled holes available per customer drawings
- Long service life: Resists aging and oxidation even under prolonged high-temperature exposure
-
Semiconductor Industry
They are widely used in diffusion furnaces, oxidation furnaces and ion implantation equipment for wafer processing. The high purity and corrosion resistance of quartz tubes can ensure no pollution to semiconductor materials during high-temperature processes. -
Solar Energy Sector
Applied to the production line of photovoltaic cells and silicon wafers, they serve as the core components of high-temperature sintering and coating equipment, helping to improve the conversion efficiency of solar cells. -
High-Temperature Heat Treatment & Metallurgy
Used as furnace linings and heating chambers in annealing furnaces, quenching furnaces and sintering furnaces, they can withstand continuous high-temperature operation up to 1100℃ and resist thermal shock. -
Laboratory & Scientific Research
Employed in high-temperature chemical reactors, vacuum tubes and chemical vapor deposition (CVD) systems, suitable for harsh experimental environments such as strong acid corrosion and high-temperature pyrolysis. -
Optical Fiber & Optoelectronics Industry
Serve as protective sleeves and drawing molds in optical fiber preform production, ensuring the purity and uniformity of optical fiber materials during the high-temperature drawing process. -
Environmental Protection & Waste Treatment
Used in high-temperature waste gas incinerators and hazardous waste treatment equipment, taking advantage of their high-temperature resistance and chemical stability to decompose harmful substances.
Product Specifications
| Mechanical behavior | Standard values |
|---|---|
| Density | 2.2g/cm3 |
| Compressive strength | 1100Mpa |
| Flexural strength | 67Mpa |
| Poisson's ratio | 0.14~0.17 |
| Young's modulus | 72000Mpa |
| Modulus of rigidity | 31000Mpa |
| Mohs hardness | 5.5~6.5 |
| Transformation point | 1280°C |
| Softening Point | 1780°C |
| Annealing point | 1250°C |
| Specific heat (20 ~ 350 °C) | 670J/kg .°C |
| Thermal conductivity (20 °C) | 1.4W/m.°C |
| Index of refraction | 1.4585 |
| Low thermal expansion coefficient | 5.5*10-7cm/cm.°C |
| Thermal processing temperature | 1750~2050°C |
| Short-term use temperature | 1300°C |
| Long-term use temperature | 1100°C |
| Material | Silicon Dioxide (Natural Quartz ) |
| Color | Transparent or colorless |
| Surface | No Air Bubble ,no line |
| Strain | 1270 C Fused The Quartz Glass Brick |
| PPM grade | Controlled 10/20/100PPM |
| Shape | Circle |
| Thickness | 2MM-20MM |
Frequently Asked Questions
What is the maximum operating temperature for this quartz glass?
This quartz glass can withstand temperatures up to 1300°C for short-term use, and has a recommended continuous long-term use temperature of 1100°C.
What are the mechanical hardness and strength specifications?
The material features a Mohs hardness of 5.5 to 6.5, a compressive strength of 1100 Mpa, and a flexural strength of 67 Mpa.
What is the thermal expansion behavior of the natural quartz glass?
It exhibits a very low thermal expansion coefficient of 5.5*10-7 cm/cm.°C, ensuring excellent thermal shock resistance.
What are the available dimensions and shape options?
The quartz glass is supplied in a circular shape with a thickness ranging from 2MM up to 20MM.
What is the purity level and surface quality of the glass?
The PPM grade is tightly controlled at 10/20/100 PPM. The surface is transparent, colorless, and guaranteed to have no air bubbles or lines.
Packaging and Shipping




Why Choose Southeast Quartz?
Southeast Quartz relies on the superior high-quality quartz ore resources in Donghai County, deeply engages in the deep processing of quartz glass, and has become a core supplier to global customers. All products undergo multiple tests such as helium mass spectrometry leak detection, pressure resistance test, and purity test before leaving the factory to ensure stable performance, no impurities, and no leakage.

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