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High Purity Quartz Rod / Fused Silica Rod for Semiconductor & Laboratory - Trusted China Suppliers & Factory
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High Purity Quartz Rod / Fused Silica Rod for Semiconductor & Laboratory

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Customized Quartz Products
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High Purity Quartz Rod / Fused Silica Rod for Semiconductor & Laboratory - Trusted China Suppliers & Factory

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A quartz rod is a high-performance cylindrical product made from high-purity fused silica (SiO₂ ≥ 99.99%), suitable for various applications across different industries. With exceptional high-temperature resistance, it features a softening point of approximately 1730°C and maintains long-term usability at temperatures up to 1100°C. This product provides excellent UV-IR transmittance, low thermal expansion, and remarkable chemical inertness, making it resistant to most acids, except HF. Additionally, quartz rods deliver outstanding electrical insulation properties, making them essential for precision and harsh-environment applications.
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Manufactured in China, these quartz rods are produced by melting natural or synthetic quartz and subsequently forming them into solid cylindrical shapes through advanced drawing or molding techniques. As a trusted supplier and factory of high-quality quartz rods, we ensure that our products meet the highest standards for optics, semiconductors, lasers, laboratory instruments, and high-temperature equipment.

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These quartz rods serve as essential semi-finished materials, perfect for further fabrication into tubes, supports, or optical components, catering to the diverse needs of industries worldwide.

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    Product Details

    📐Cross-sectional Dimensions ⚖️Tolerances 📏Standard Lengths
    3×3 ±0.1 100–1000
    4×4 ±0.1 100–1000
    5×5 ±0.1 100–1000
    6×6 ±0.15 100–1000
    8×8 ±0.15 100–1000
    10×10 ±0.2 100–1000
    15×15 ±0.2 100–500
    20×20 ±0.25 100–500
    ❓ Frequently Asked Questions
    Q What do the cross-sectional dimensions in the table refer to?
    The cross-sectional dimensions (e.g., 3×3, 5×5) refer to the width and height measurements of the material's cross-section, expressed in millimeters. These values define the size profile of each product variant.
    Q What does the tolerance value mean, and why does it vary by size?
    Tolerance indicates the allowable deviation (±mm) from the specified dimension during manufacturing. Larger cross-sections typically have slightly wider tolerances due to the increased complexity and material behavior at greater sizes.
    Q Are custom lengths available beyond the standard length ranges listed?
    The table lists standard length ranges for each dimension. For custom lengths outside these ranges, please contact our sales team directly to discuss feasibility and lead times for special orders.
    Q Why do the 15×15 and 20×20 sizes have a shorter maximum standard length (up to 500)?
    Larger cross-sectional sizes such as 15×15 and 20×20 are limited to a maximum standard length of 500 due to material handling constraints, weight considerations, and manufacturing process requirements that ensure consistent quality.
    Q How should I select the right cross-sectional dimension for my application?
    Selection depends on your application's load requirements, space constraints, and fit specifications. Smaller dimensions (3×3 to 6×6) suit precision or lightweight applications, while larger sizes (10×10 to 20×20) are better for structural or heavy-duty uses.
    Q Are all dimensions listed in stock, or do some require lead time?
    Common sizes such as 5×5 and 10×10 are typically available from stock. Less common or larger dimensions may require a production lead time. We recommend confirming availability with our team before placing time-sensitive orders.