Hot Products

High-Quality Quartz Boats for High-Temperature Processes - China Factory & Suppliers

Introducing our high-purity quartz boats, manufactured in China by leading suppliers and trusted factory. These quartz boats are crafted from high-purity fused silica (SiO₂ content ≥ 99.99%) and are specifically designed to support silicon wafers and various workpieces. With their regular structure, outstanding temperature resistance, and excellent chemical stability, they play a crucial role in high-temperature processes such as diffusion and annealing in the semiconductor and photovoltaic industries, Our quartz boats feature multiple slots that securely hold silicon wafers in a fixed arrangement within furnace tubes, ensuring optimal performance during wafer processing. Choose our quartz boats for reliable and efficient solutions tailored to meet the demands of the semiconductor and photovoltaic sectors

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

📋 Product Specifications

🔷 Shapes	Rectangular, U-shaped, V-shaped, grooved 1–100 Slots , and special customized structures.
📐 Sizes	Length: 50mm – 2000mm Width: 20mm – 300mm Thickness: 2mm – 20mm Customizable per customer drawings.
✨ Surface Treatment	Polished Frosted Acid-Etched
🔩 Accessories	Quartz support rods, baffles, and lids for integrated solutions.

❓ Frequently Asked Questions

Q What shapes are available for the quartz products?

The products are available in rectangular, U-shaped, V-shaped, and grooved structures with 1 to 100 slots. Special customized shapes can also be manufactured based on specific application requirements.
Q Can the dimensions be customized to match our drawings?

Yes. While standard sizes range from 50mm to 2000mm in length, 20mm to 300mm in width, and 2mm to 20mm in thickness, all dimensions can be fully customized according to customer-supplied drawings or specifications.
Q What surface treatment options are offered?

Three surface treatment options are available: polished (for a smooth, transparent finish), frosted (for a matte, diffused appearance), and acid-etched (for a uniform, fine-textured surface). The choice depends on your optical or process requirements.
Q What accessories are available with these products?

Complementary accessories include quartz support rods, baffles, and lids, enabling complete integrated solutions for semiconductor, laboratory, or industrial applications.
Q How many slots can a grooved quartz product have?

Grooved quartz products can be manufactured with anywhere from 1 to 100 slots, making them suitable for a wide range of wafer processing and laboratory holding applications.
Q Is there a minimum or maximum order size for custom products?

Custom orders are accepted for both small and large quantities. Please contact our team with your specific drawings or technical requirements, and we will provide a tailored quotation based on your project needs.

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.