Sapphire Tube
Sapphire tube | sapphire blue tube is a glass tube that is created using sapphire, a synthetic stone with exceptional physical, optical, and chemical qualities. Sapphire, one of the hardest minerals on Earth, is suited for high-pressure systems and vacuum environments due to its high melting point, great thermal conductivity, and strong heat resistance. These characteristics make sapphire ideal for a variety of applications. Among them are tools for analysis. Additionally, it is a fantastic material for studying optical data because it transmits visible light.
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Sapphire Tube
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Sapphire Tube
Properties
sapphire blue tube ：Nearly complete resistance to acids, alkalis, and fluorinating chemicals is offered by the sapphire tube. It is favored for numerous applications due to its high melting point and excellent chemical resistance. It is also quite hard and has great electrical and mechanical qualities. It is frequently used as the crystal in semiconductor applications. Additionally, substrates and sapphire wafers are offered.
Applications
The sapphire tube is a versatile and extremely durable material that can be used in a variety of industrial applications. It is highly resistant to high pressure, high temperature, and harsh chemicals. Because of its unique properties, it outperforms materials such as quartz, alumina, and silicon carbide. As a result, it is an excellent choice for a wide range of analytical instruments.
Because of its excellent optical properties, the sapphire tube is ideal for use as a light pipe. Its rigid chucks and shields help to reduce the amount of heat radiated upward from the tube’s solidified front. It also reduces the tube’s longitudinal temperature gradient. This ensures that the workers are kept safe.
The high mechanical strength of sapphire tubes is another advantage. Because they can withstand high pressures, they are ideal for housing sensors. They are also suitable for high-pressure transport plumbing. In semiconductor processing applications, they are also excellent substitutes for quartz and alumina. Furthermore, sapphire tubes are commonly found in analytical instruments such as infrared and ultraviolet sensors.
Sizes
Sapphire tubes are available in a variety of sizes. They can be held to tighter tolerances than metals and are extremely durable. They are also available in almost any ID and OD combination, making them ideal for feed-through applications. The Mohs hardness of a sapphire tube is nine, making it the world’s second hardest material after diamonds. The surface finish of a sapphire tube can be polished to optical grade.
Processing
The SAPPHIRE TUBE processing process is extremely complex, involving the preparation of raw materials. Sapfir, a monokristallin sap, is the primary material used for this purpose. A variety of other materials, such as tin and titanium, are also used in the process.
The temperature gradient in the tube wall must agree with the pulling temperatures for this process to be effective. The tube structure and transparency are weakened when the temperature gradient is too high or too low, reducing processing capacity. This is why keeping the temperature gradient within a narrow range is critical.
| GENERAL | ||
| Chemical Formula | Al2O3 | |
| Crystal Stucture | Hexagonal System (hk o 1) | |
| Unit Cell Dimension | a=4.758 Å,Å c=12.991 Å, c:a=2.730 | |
| PHYSICAL | ||
| Metric | English (Imperial) | |
| Density | 3.98 g/cc | 0.144 lb/in3 |
| Hardness | 1525 – 2000 Knoop, 9 mhos | 3700° F |
| Melting Point | 2310 K (2040° C) | |
| STRUCTURAL | ||
| Tensile Strength | 275 MPa to 400 MPa | 40,000 to 58,000 psi |
| Tensile Strength at 20° C | 58,000 psi (design min.) | |
| Tensile Strength at 500° C | 40,000 psi (design min.) | |
| Tensile Strength at 1000° C | 355 MPa | 52,000 psi (design min.) |
| Flexural Stength | 480 MPa to 895 MPa | 70,000 to 130,000 psi |
| Compression Strength | 2.0 GPa (ultimate) | 300,000 psi (ultimate) |
Sapphire Tube
Sapphire tube have several advantages, including their inherent resistance to high temperatures and chemical environments. As a result, they are ideal for a variety of analytical instruments. They are capable of transmitting both visible and ultraviolet light. Furthermore, their high-quality optical properties make them ideal for a wide range of applications. Furthermore, sapphire tubes can withstand high pressures and temperatures.