Quartz Tube
Quartz Plate
Quartz Rod
Optical Applications
Semiconductor Industry
Laboratory and Chemical Applications
Quartz flange pipes are pipe connection components made from high-purity quartz glass, featuring exceptional high-temperature resistance, corrosion resistance, and chemical stability. They are suitable for use in industries such as chemical processing, pharmaceuticals, semiconductors, and fiber optics. With their high strength and excellent sealing properties, they ensure stable operation and tight connections in high-pressure and corrosive environments.
| Property Content | Property Values |
|---|---|
| SiO2 | 99.99% |
| Density | 2.2×10³ kg/cm³ |
| Hardness | 5.5 - 6.5 Mohs' Scale 570 KHN 100 |
| Tensile Strength | 4.8×10⁷ Pa (N/mm2) (7000 psi) |
| Compression Strength | >1.1×10⁹ Pa (160,000 psi) |
| Coefficient of Thermal Expansion | 5.5×10⁻⁷ cm/cm·°C (20°C-320°C) |
| Thermal Conductivity | 1.4 W/m·°C |
| Specific Heat | 670 J/kg·°C |
| Softening Point | 1730°C (3146°F) |
| Annealing Point | 1210°C (2210°F) |
| Strain Point | 1120°C (2048°F) |
| Work Temperature | 1200°C (2192°F) |
| Electrical Resistivity | 7×10⁷ ohm cm (350°C) |
| Size | Customized |
| Logo | Customized Logo Accept |
High-Temperature Performance
Quartz flange pipes can withstand extremely high-temperature environments, typically suitable for applications exceeding 1000°C, making them an ideal choice for high-temperature process flows.
Chemical Stability
The quartz material exhibits excellent resistance to various chemical substances, including strong acids, strong bases, and organic solvents. This characteristic makes quartz flange pipes particularly useful in the chemical and pharmaceutical industries.
High Purity and Low Impurities
Quartz flange pipes are made from high-purity quartz glass, which means they contain very low levels of impurities. This is crucial for applications requiring high-purity environments, such as semiconductor manufacturing.
Excellent Sealing and Mechanical Strength
Quartz flange pipes are precision-engineered to provide excellent sealing performance while maintaining high mechanical strength, allowing them to operate stably in high-pressure environments and reduce the risk of leaks.
Application Scenario
High-Temperature Chemical Processing
Quartz flange pipes are essential in chemical processing plants where high-temperature, corrosive substances are common. They are used in reactors, distillation columns, and piping systems where they ensure reliable transfer and containment of aggressive chemicals at elevated temperatures, such as in the production of specialty chemicals or pharmaceuticals.
Semiconductor Manufacturing Clean Rooms
Due to their high purity and low impurity levels, quartz flange pipes are utilized in clean rooms in semiconductor manufacturing. They are ideal for piping gases and liquids during critical fabrication steps where any contamination can significantly affect the final product. Examples include processes like chemical vapor deposition (CVD) and etching where the purity of the delivery system is crucial.
High-Purity Pharmaceutical Production
In the pharmaceutical industry, quartz flange pipes are crucial for transferring highly sensitive and corrosive pharmaceutical ingredients. Their chemical inertness ensures that the materials do not react with or contaminate the drugs, while their high-temperature stability enables sterilization processes, ensuring the highest purity and safety standards in drug production.
Fiber Optic Production
In the production of fiber optic cables, quartz flange pipes are used to transfer high-purity gases and materials at high temperatures. The controlled environment needed for fiber optic production benefits from the high-temperature and chemical resistance of quartz, as well as its purity, ensuring that the resulting fibers meet demanding standards for signal transmission.
Quartz flange pipes offer several key advantages, including exceptional high-temperature resistance (typically exceeding 1000°C), excellent chemical stability against a wide range of corrosive substances, high purity and low impurity levels ideal for sensitive applications, and superior sealing and mechanical strength for reliable performance under pressure. These properties make them ideal for demanding environments where traditional materials may fail.
Quartz flange pipes are commonly utilized in industries such as chemical processing, pharmaceutical manufacturing, semiconductor fabrication, and fiber optic production. In chemical processing plants, they handle corrosive chemicals and high-temperature environments. In semiconductor manufacturing, their high purity prevents contamination of sensitive electronic components. In pharmaceutical and fiber optic production, their chemical inertness and temperature resistance are crucial for maintaining quality and process integrity.
The expected lifespan of quartz flange pipes depends on various factors such as operating temperature, pressure, chemical exposure, and handling procedures. With proper usage and regular inspection, quartz flange pipes can have a long service life. Routine maintenance should include checking for cracks, wear, or contamination, and cleaning the pipes as needed. Depending on the specific environment and usage, a replacement schedule should be established to ensure ongoing reliable performance.
Frequently asked questions
Quartz glass is a hard and brittle material with excellent physical and chemical properties, extremely high mechanical hardness, good electrical insulation, high temperature and corrosion resistance, low and stable delay performance, good light transmittance, etc. It is widely used in semiconductors, optics, electricity, chemistry, aerospace, automobiles and other fields. Hard and brittle materials are difficult to process, and many fields urgently need cutting processes with small edge collapse, less material loss, low cross-section roughness, and a wide cutting thickness range. The traditional cutting method of quartz glass is mechanical cutting, that is, wheel cutting. Non-traditional cutting methods include water jet cutting, electrochemical discharge wire cutting, continuous laser cutting, etc. Mechanical cutting has low cost, but the contact between the wheel and the material causes large tool wear, and the material is easily contaminated by the tool. Quartz glass is prone to edge collapse, microcracks, and residual stress, which affects the strength and performance of the material! It is difficult to achieve curve cutting and requires post-processing, such as grinding and polishing. Laser cutting does not directly contact the material, has no contact stress, and can perform complex curve cutting. Picosecond laser has the advantages of small spot diameter, high precision, short action time with the material, and small action area, and is suitable for the processing of hard and brittle materials.
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