FUYAO QUARTZ high-purity quartz rods are manufactured from premium fused silica materials using advanced melting and precision forming technology. The production process ensures excellent structural uniformity, minimal bubble content, and highly stable physical and chemical properties.
Quartz rods are widely used as essential raw materials for machining high-precision quartz components, including semiconductor furnace parts, optical elements, laboratory instruments, and high-temperature industrial components. Because of their superior thermal stability, optical transparency, and chemical resistance, fused quartz rods are ideal for demanding environments where material purity and reliability are critical.
Through strict quality control during melting, annealing, and inspection processes, ZMSH ensures that every quartz rod maintains consistent quality and performance for high-precision industrial applications.
Material Description
Quartz rods are produced from fused silica, an amorphous form of silicon dioxide (SiO₂). Unlike crystalline quartz minerals, fused quartz features a non-crystalline atomic structure that provides excellent optical transmission and superior thermal shock resistance.
The absence of grain boundaries allows quartz glass to maintain stable mechanical performance even under extreme temperature fluctuations. Additionally, fused quartz demonstrates excellent resistance to chemical corrosion, making it highly suitable for semiconductor processing systems, optical devices, and laboratory environments.
These characteristics make quartz rods an ideal material for producing precision quartz tubes, quartz windows, quartz wafers, and other specialized quartz components.
Mechanical Properties
| プロパティ | 価値 |
|---|---|
| 密度 | 2.2 g/cm³ |
| モース硬度 | 6–7 |
| 圧縮強度 | 1100 MPa |
| 引張強度 | 50 MPa |
| 曲げ強度 | 65 MPa |
| ねじり強度 | 30 MPa |
| ヤング率 | 7.5 × 10⁴ MPa |
| ポアソン比 | 0.17 |
熱特性
| プロパティ | 価値 |
|---|---|
| Thermal Expansion Coefficient (20–320°C) | 5.5 × 10⁻⁷ K⁻¹ |
| 熱伝導率（20） | 1.4 W·m⁻¹·K⁻¹ |
| 比熱（20） | 670 J·kg⁻¹·K⁻¹ |
| 軟化点 | 1630°C |
| Annealing Temperature | 1180°C |
| ストレイン・ポイント | 1080°C |
電気的特性
| プロパティ | 価値 |
|---|---|
| Resistivity (20°C) | 1 × 10² ⁰ Ω-m |
| Resistivity (1000°C) | 1 × 10⁸ Ω-m |
| 誘電率 (10 GHz) | 3.74 |
| Dielectric Loss Factor | 0.0002 |
| 絶縁耐力 | 3.7 × 10⁷ V·m⁻¹ |
Typical Dimensions
| パラメータ | Range |
|---|---|
| 直径 | 5 mm – 200 mm |
| Length | 50 mm – 1500 mm |
| 表面仕上げ | Polished / Ground |
| Diameter Tolerance | ±0.05 mm |
| Straightness | ≤0.1 mm / 1000 mm |
Custom sizes and machining services are available according to specific industrial requirements.
主な特徴
High optical transparency
Quartz rods provide excellent transmission across ultraviolet, visible, and infrared wavelengths, making them suitable for optical and laser applications.
Outstanding thermal stability
With a softening point of approximately 1630°C, quartz rods can operate in high-temperature environments without structural degradation.
低熱膨張
The extremely low coefficient of thermal expansion ensures dimensional stability during rapid temperature changes.
Excellent chemical resistance
Quartz glass is resistant to most acids, chemicals, and corrosive gases commonly present in semiconductor and laboratory environments.
High machining precision
The uniform internal structure allows efficient machining into precision optical components and semiconductor equipment parts.
アプリケーション
Quartz rods are widely used in advanced industrial and scientific fields, including:
Semiconductor manufacturing equipment
Optical and laser components
Solar and photovoltaic production systems
Laboratory and analytical instruments
High-temperature furnace components
Quartz tube and quartz plate fabrication
Chemical processing equipment
よくあるご質問
1. What purity levels are available for quartz rods?
FUYAO quartz rods are produced from high-purity fused silica materials with extremely low metallic impurities and controlled hydroxyl content. Optical-grade and semiconductor-grade materials are available depending on application requirements.
2. Can quartz rods be customized in size?
Yes. Custom diameters, lengths, and surface finishes can be manufactured. FUYAO QUARTZ also provides machining services such as cutting, drilling, grinding, and polishing.
3. Are quartz rods suitable for semiconductor processing equipment?
Yes. Due to their high purity, excellent thermal stability, and chemical resistance, quartz rods are widely used in semiconductor furnace components, wafer processing equipment, and other high-temperature systems.
4. What is the maximum operating temperature of quartz rods?
Quartz rods have a softening point around 1630°C and a strain point around 1080°C, allowing them to perform reliably in high-temperature industrial environments.
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