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

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Introducing our high-performance quartz rod, a premium cylindrical product crafted from fused silica (SiO₂ ≥ 99.99%), sourced from leading suppliers in China. This exceptional material boasts remarkable high-temperature resistance with a softening point near 1730°C and can endure prolonged use at 1100°C. With outstanding UV-IR transmittance, low thermal expansion, and excellent chemical inertness—resistant to most acids except HF—our quartz rods are perfect for a diverse range of applications. They also provide superior electrical insulation, making them essential for optics, semiconductors, lasers, laboratory instruments, and high-temperature equipment. As a trusted factory in China, we supply quartz rods as basic semi-finished materials for further fabrication into tubes, supports, or optical components, tailored for precision and harsh-environment uses.
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Our quartz rods are expertly produced by melting high-purity natural or synthetic quartz, ensuring quality and reliability in every unit. Choose our quartz rods for your next project and experience the superior performance that comes from a top-notch China supplier.

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    Product Details

    All dimensions are in millimeters (mm). Tolerances apply to both width and height of each cross-section.
    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 refer to the width × height measurements (in millimeters) of the material's profile, indicating the size of the square cross-section.
    Q Why do larger cross-sectional dimensions have higher tolerances?
    Larger cross-sections involve more material and are subject to greater thermal and mechanical variation during manufacturing, which naturally results in slightly wider tolerance ranges to maintain practical and cost-effective production.
    Q What is the maximum standard length available for a 20×20 mm cross-section?
    The maximum standard length for a 20×20 mm cross-section is 500 mm. For lengths beyond this range, custom orders may be available upon request.
    Q Are custom cross-sectional dimensions or lengths available outside the listed specifications?
    Yes, custom dimensions and lengths beyond the standard specifications can often be accommodated. Please contact us directly to discuss your specific requirements and get a tailored quote.
    Q Do the tolerances apply to both dimensions of the cross-section equally?
    Yes, the listed tolerances apply to both the width and the height of each square cross-section, ensuring consistent dimensional accuracy across the entire profile.
    Q What is the minimum standard length available across all listed cross-sectional sizes?
    The minimum standard length across all listed cross-sectional dimensions is 100 mm, making them suitable for a wide range of precision applications requiring shorter components.