What information do you need to engineer a custom quartz tube or component?

Please send outer and inner diameter (or wall thickness), length, required tolerances, end configuration (open, closed, flanged, ground joint or welded fittings), material grade (transparent or opaque fused quartz), working temperature and atmosphere, annual or batch quantity, and a drawing in PDF, DWG or STEP format. Complete data lets our engineers confirm manufacturability and lead time in a single review.

What is the maximum operating temperature of fused quartz?

Transparent fused quartz typically supports continuous service around 1,100 °C and short exposures up to roughly 1,250 °C, with a softening point near 1,683 °C. Real limits depend on grade, load, atmosphere and cycle time. Above about 1,100 °C, surface contamination such as alkali residue from skin contact accelerates devitrification, so quartzware should be cleaned and handled with clean gloves before firing.

How does Southeast Quartz verify quality before shipment?

Products undergo helium mass-spectrometry leak detection, pressure resistance testing and purity testing before leaving the factory, together with dimensional inspection against the customer drawing, to ensure stable performance with no impurities and no leakage.

Can you manufacture oversized quartz tubes and non-standard quartz shapes?

Yes. Our workshop combines flame hot-working with CNC cold machining, so we produce oversized fused quartz tubes, bell jars, slotted quartz boats, flanged reactors, irregular shaped quartz sheets and fully customized quartz instruments according to customer equipment parameters.

Where is Southeast Quartz located and which markets do you export to?

Our factory is at No. 1 Qingsheng Rd., Qinghu Industrial Park, Donghai County, Jiangsu, China, within China's best-known crystal and quartz industrial cluster. Besides customers throughout China, we export to Europe, the Americas, Southeast Asia and the Middle East.

Custom Premium Quartz Boats for High-Temperature Processes - Top China Suppliers & Factory Suppliers, Product

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Custom Premium Quartz Boats for High-Temperature Processes - Top China Suppliers & Factory Suppliers, Product

Discover premium quartz boats manufactured from high-purity fused silica, designed specifically for the semiconductor and photovoltaic industries in China. These high-performance wafer carriers exhibit exceptional temperature resistance and outstanding chemical stability, making them essential fixtures for high-temperature processes such as diffusion and annealing.

Crafted by leading suppliers and factories, our quartz boats feature multiple slots that securely hold silicon wafers in a fixed arrangement within furnace tubes. With a SiO₂ content of ≥99.99%, these quartz boats ensure optimal processing conditions for your valuable workpieces.

Material: High-purity fused silica (SiO₂ content ≥99.99%)

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Product Description

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, or acid-etched surface.
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 a wide range of shapes including rectangular, U-shaped, V-shaped, and grooved profiles with 1 to 100 slots. Custom structures can also be manufactured based on specific application requirements.

Q What is the size range available for these quartz components?

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.

Q What surface treatment options are offered?

Three surface treatment options are available: polished (for a smooth, clear finish), frosted (for a matte, diffused appearance), and acid-etched (for a uniform micro-textured surface). The choice depends on the specific optical or functional requirements of your application.

Q What accessories can be supplied alongside the quartz components?

To support integrated assembly and installation, compatible accessories are available including quartz support rods, baffles, and lids. These are designed to work seamlessly with the main quartz components for a complete solution.

Q Can these quartz components be customized to match specific engineering drawings?

Yes, full customization is supported. Customers can submit their own technical drawings and the components will be manufactured to match the specified dimensions, shapes, slot counts, and surface finishes precisely.

Q How many slots can a grooved quartz component have?

Grooved quartz components can be produced with anywhere from 1 to 100 slots, making them suitable for a broad range of semiconductor, optical, and industrial processing applications where precise slot configurations are required.

Custom Premium Quartz Boats for High-Temperature Processes - Top China Suppliers & Factory Suppliers, Product

Product Description

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