FUYAO high-purity quartz ingots are manufactured using premium silica raw materials and advanced high-temperature melting technology. The controlled production process ensures excellent material homogeneity, extremely low bubble content, and stable physical properties.
Quartz ingots serve as the primary raw material for producing precision quartz components such as quartz plates, quartz tubes, optical windows, and semiconductor furnace parts. Because of their exceptional thermal stability, high optical transparency, and strong chemical resistance, they are widely used in semiconductor manufacturing, optical engineering, photovoltaic equipment, and high-temperature industrial processing systems.
With strict quality control during melting, annealing, and inspection processes, FUYAO QUARTZ ensures that each quartz ingot meets the reliability requirements of modern high-tech manufacturing environments.
Material Description
Quartz glass is an amorphous material composed of high-purity silicon dioxide (SiO₂). Unlike natural crystalline quartz, fused quartz does not contain a long-range crystal lattice structure. This non-crystalline atomic arrangement provides superior optical clarity and excellent thermal stability.
Because of its low thermal expansion coefficient and high resistance to thermal shock, quartz glass can withstand rapid temperature changes without cracking or deformation. Additionally, quartz exhibits strong resistance to most chemical substances, including acids and corrosive gases commonly present in semiconductor fabrication environments.
These properties make quartz ingots an ideal material for producing high-precision optical components and high-temperature industrial parts.
Mechanical Properties
| Eigendom | Waarde |
|---|---|
| Dichtheid | 2,2 g/cm³ |
| Mohs hardheid | 6–7 |
| Druksterkte | 1100 MPa |
| Treksterkte | 50 MPa |
| Buigsterkte | 65 MPa |
| Torsiesterkte | 30 MPa |
| Modulus van Young | 7,5 × 10⁴ MPa |
| Poissonverhouding | 0.17 |
Thermische eigenschappen
| Eigendom | Waarde |
|---|---|
| Thermal Expansion Coefficient (20–320°C) | 5.5 × 10⁻⁷ K⁻¹ |
| Warmtegeleidingsvermogen (20°C) | 1.4 W·m⁻¹·K⁻¹ |
| Soortelijke warmte (20°C) | 670 J·kg⁻¹·K⁻¹ |
| Verzachtingspunt | 1630°C |
| Annealing Temperature | 1180°C |
| Spanningspunt | 1080°C |
Elektrische eigenschappen
| Eigendom | Waarde |
|---|---|
| Resistivity (20°C) | 1 × 10²⁰ Ω-m |
| Resistivity (1000°C) | 1 × 10 Ω-m |
| Diëlektrische constante (10 GHz) | 3.74 |
| Dielectric Loss Factor (10 GHz) | 0.0002 |
| Diëlektrische sterkte | 3.7 × 10⁷ V·m⁻¹ |
Belangrijkste kenmerken
High optical transparency
Quartz ingots provide excellent transmission from ultraviolet to infrared wavelengths, making them suitable for precision optical components.
Outstanding thermal stability
With a softening point of approximately 1630°C and a strain point around 1080°C, quartz glass performs reliably in high-temperature industrial environments.
Lage thermische uitzetting
The extremely low thermal expansion coefficient ensures dimensional stability under rapid heating and cooling conditions.
High chemical resistance
Quartz glass is resistant to most acids, chemicals, and corrosive gases, making it suitable for semiconductor processing systems.
High processing efficiency
The consistent internal structure and minimal defects allow efficient machining into quartz plates, windows, tubes, and other precision components.
Toepassingen
Quartz ingots are widely used across multiple advanced industrial sectors, including:
Semiconductor manufacturing equipment
Solar and photovoltaic component production
Optical coating and thin-film deposition systems
Laser and optical instrumentation
High-temperature furnace components
Laboratory and analytical equipment
Chemical and corrosion-resistant processing systems
FAQ
1. What is the purity level of FUYAO quartz ingots?
FUYAO quartz ingots are produced from high-purity silica materials with extremely low metallic impurities and controlled hydroxyl (OH) content. Different purity grades can be supplied depending on application requirements, particularly for semiconductor and optical applications.
2. Can quartz ingots be customized in size or shape?
Yes. FUYAO QUARTZ supports customized diameters, lengths, and shapes. Additional machining services such as cutting, grinding, polishing, drilling, and surface treatment can also be provided according to customer specifications.
3. Are quartz ingots suitable for high-temperature environments?
Yes. Quartz glass exhibits excellent thermal stability. With a softening point around 1630°C and a strain point of approximately 1080°C, quartz ingots are widely used in high-temperature processing systems and semiconductor furnace components.
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