Electric fusion opaque quartz is a specialized material known for its high thermal resistance, excellent mechanical strength, and superior opacity. Manufactured through advanced electric fusion techniques, it provides outstanding durability, minimal thermal expansion, and strong chemical stability. This material is widely used in semiconductor manufacturing, industrial furnace components, optical shielding, and high-temperature applications where light transmission control and extreme environmental resistance are required.
Product Overview
Electric Fusion Opaque Quartz is a high-performance material known for its low transmittance and high thermal reflectivity. It is specifically designed to minimize heat loss and extend the lifespan of heating components. With excellent machinability, this material supports welding, flame polishing, and high-precision optical polishing, while its surface exhibits superior machining smoothness. After flame polishing, the surface achieves excellent finish quality, ensuring longer service life and making it especially suitable for semiconductor thermal processing and other high-temperature process environments.
Key Features
- Low Transmittance: Effectively reduces heat loss, improving overall thermal efficiency.
- High Thermal Reflectivity: Enhances heat reflection, minimizes thermal dissipation, and boosts process efficiency.
- High Density: Provides increased structural strength and durability, making it resistant to high-temperature environments.
- Excellent Machining Finish: Offers superior machinability and excellent surface treatment quality, ideal for high-precision applications.
- Good Flame Polishing Finish: After flame polishing, the surface is smooth, ensuring high-quality finish for precision environments.
- Long Service Life: Capable of withstanding high temperatures, ensuring extended lifespan and durability in demanding conditions.
Applications
- Semiconductor Industry: Widely used in semiconductor thermal treatment processes, offering excellent thermal management and protection.
- High-Temperature Processing: Suitable for various high-temperature treatment devices, enhancing heating efficiency by reducing heat loss.
- Heat Treatment Equipment: Used in heat treatment systems to reduce thermal dissipation and extend equipment lifespan.
- High-Precision Machining: Ideal for special process equipment that demands high surface smoothness and precision machining.
- Heating Components in High-Temperature Environments: Perfect for use in heating elements under extreme conditions, offering excellent heat resistance and reflective properties.
Parameter | Value |
Density (g/cm³) | 2.18 ~ 2.19 |
Porosity | <0.5% |
Pore Size | <10 μm |
Linear Expansion Coefficient (0-900℃) | 0.45 × 10⁻⁶ ℃⁻¹ |
Specific Heat (J/g·K) | 0.75 (at 20℃) |
Max Operating Temperature (Continuous) | 1100℃ |
Max Operating Temperature (Short-Term) | 1300℃ |
Dielectric Loss Angle (Room Temp, 13.56 MHz) | 2 × 10⁻⁴ |
Thermal Conductivity (W/m·K) | 1.39 (at 20℃) |
Element | Content (ppm) |
Aluminum (Al) | 12.29 |
Calcium (Ca) | 1.05 |
Magnesium (Mg) | 0.03 |
Copper (Cu) | 0 |
Iron (Fe) | 0.53 |
Nickel (Ni) | 0.01 |
Manganese (Mn) | 0 |
Lithium (Li) | 0.3 |
Potassium (K) | 0.47 |
Sodium (Na) | 0.98 |
Zirconium (Zr) | 1.64 |
Titanium (Ti) | 1.42 |
Boron (B) | 0 |
Cobalt (Co) | 0 |
Total | 18.72 |