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Heat Resistant Quartz Lamp Holder for Industrial Use - High-Quality Supplier from China Factory

Quartz lamp holders manufactured in China are crafted from high-purity quartz glass, providing exceptional resistance to high temperatures along with outstanding insulation and light transmittance. These lamp holders are compatible with various light sources, including halogen lamps and infrared heating lamps. Designed to withstand intense high-temperature radiation and electrical surges, they serve as crucial components in lighting and heating equipment, ensuring the reliable operation of light sources, Our quartz inner and outer lamp caps, sourced from top suppliers and produced in our factory, refer to the essential end components of quartz lamps, such as UV lamps, infrared lamps, and halogen lamps. These caps facilitate electrical connections while providing sealing and structural support, The inner cap connects directly to the internal electrode or light-emitting structure, while the outer cap serves as the external part for electrical connection and mounting. Trust in our quality quartz products to enhance your lighting applications effectively

Product Description

Material & Quality

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

Key Application Fields of Large-Diameter Quartz Tubes

Large-diameter quartz tubes are essential components in various high-end industries, thanks to their excellent thermal stability, chemical inertness and high light transmittance.

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

Product Details

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 working temperature for this Fused Quartz Glass?

This fused quartz glass has a long-term safe use temperature of up to 1100°C and can withstand short-term exposure up to 1300°C. Its softening point is 1780°C and the transformation point is 1280°C.

What is the purity level (PPM grade) of the Silicon Dioxide material?

The material consists of high-purity Silicon Dioxide (Natural Quartz) with a controlled PPM grade of 10/20/100PPM, ensuring optimal clarity and performance.

What are the mechanical and structural strength properties?

It features a high compressive strength of 1100Mpa, a flexural strength of 67Mpa, a Young's modulus of 72000Mpa, and a Mohs hardness rating of 5.5~6.5.

How resistant is this quartz glass to thermal expansion?

This quartz glass has an exceptionally low thermal expansion coefficient of 5.5*10-7cm/cm.°C, which guarantees outstanding thermal shock resistance under rapid temperature fluctuations.

What are the physical dimensions and shapes available?

The standard shape is a circle (Fused Quartz Glass Brick) with thickness configurations ranging from 2MM up to 20MM. The surface is completely transparent, colorless, and free of air bubbles or structural 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.