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High Purity Quartz Rod / Fused Silica Rod for Semiconductors & Labs - Quality China Suppliers & Factory
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High Purity Quartz Rod / Fused Silica Rod for Semiconductors & Labs - Quality China Suppliers & Factory

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Our high-quality quartz rod, made from premium fused silica (SiO₂ ≥ 99.99%), offers outstanding performance for various applications. With exceptional high-temperature resistance, it maintains integrity up to 1100°C and has a softening point of approximately 1730°C. Boasting excellent UV-IR transmittance, low thermal expansion, and remarkable chemical inertness—resistant to most acids except HF—our quartz rod is ideal for use in optics, semiconductors, lasers, lab instruments, and high-temperature equipment. This makes it a vital material for precision tasks and harsh environments, provided by trusted suppliers and manufacturers in China.
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Produced by melting natural or synthetic quartz, our quartz rods are crafted into cylindrical components through advanced drawing or molding techniques. As essential semi-finished materials, they can be easily fabricated into tubes, supports, or optical components, meeting the diverse needs of industries.

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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
    🔹 What do the cross-sectional dimensions refer to?
    The cross-sectional dimensions (e.g., 3×3, 5×5) indicate the width and height of the material's cross-section in millimeters. These measurements define the physical size profile of the product.
    🔹 What does the tolerance value mean?
    Tolerance refers to the permissible deviation from the specified dimension. For example, a tolerance of ±0.1 mm means the actual dimension can be 0.1 mm larger or smaller than the nominal value, ensuring consistent quality and fit.
    🔹 Why do larger dimensions have higher tolerance values?
    As cross-sectional dimensions increase, achieving the same level of precision becomes more challenging during manufacturing. Therefore, larger sizes such as 20×20 carry a slightly wider tolerance of ±0.25 mm compared to smaller sizes.
    🔹 What are the standard length ranges available?
    Most sizes are available in standard lengths ranging from 100 mm to 1000 mm. Larger cross-sections (15×15 and 20×20) are available in lengths from 100 mm to 500 mm. Custom lengths may be available upon request.
    🔹 Can I order a size or length not listed in the table?
    The table reflects standard stock dimensions and lengths. For custom cross-sectional sizes or non-standard lengths beyond the listed range, please contact our team directly to discuss your specific requirements and feasibility.
    🔹 Are the dimensions and tolerances compliant with international standards?
    Yes, the listed dimensions and tolerances are manufactured in accordance with recognized international precision standards. This ensures compatibility and reliability across a wide range of industrial and engineering applications.