Transparent sapphire tubes are refined from 99.999% high-purity single-crystal alumina as advanced precision optical alternatives to glass and quartz tubing. Their dense single-crystal structure combines high transmission, hardness, resistance to high and low temperatures, corrosion resistance, and radiation resistance. Stable performance far exceeds conventional tubing, suiting extreme conditions and precision equipment as preferred core components for advanced manufacturing. Taixing Hechen Crystal Technology Co., Ltd. has leading domestic sapphire machining technology and a mature production system. In-house precision fixture positioning and refined grinding and polishing enable high-precision mass production, consistently achieving diameter tolerances of ±0.01 mm and end-to-end diameter differences <0.005 mm for exceptional coaxial and dimensional accuracy. Industry-leading concentricity, straightness, and dimensional consistency meet stringent requirements for precision testing in petroleum environments and high-precision research experiments.
| Parameter | Value |
| Dimensions | Diameter Within 300mm |
| Thickness (Length) | 5-300mm |
| Pressure Resistance Range | 200MPa |
| Temperature Resistance Range [Sapphire Physical Properties Degrade at High Temperatures] | <1600℃ |
| Surface Finish | 80/50 or 60/40 Optional |
| Polishing Method | Inner and Outer Circles or Entire Surface |
| Coating | Generally Uncoated |
| Packaging | Vacuum Packaging |
| Customized Shape | Slots and Holes Available |
Optical Path Protection and Light-Transmitting Tubes for Optoelectronic Lasers and Spectral Instruments; Precision Industrial Sensing and High-Temperature/High-Pressure Fluid Equipment; Biomedical Experiments and Sterile Precision-Test Tubing; Aerospace/High-Altitude Equipment Accessories; Semiconductor, Metallurgical and Vacuum High-Temperature Equipment.
High optical transmission, precision, and stability: high transmission across the spectrum, with bubble- and inclusion-free walls, uniform low-loss transmission, and reliable operation of lasers, spectroscopy, and optoelectronic equipment. Extreme hardness and wear resistance: Mohs hardness 9, compression, impact, erosion, and abrasion resistance, no deformation or scratches during prolonged use, stable dimensional precision, and greatly reduced maintenance costs. Broad temperature tolerance: operates from -270℃ to 2000℃, tolerating abrupt cooling and heating without degradation of structural or optical properties or cracking. Clean, corrosion-resistant, and inert: chemically stable against acids, alkalis, and organic solvents; dense inner walls resist adsorption, impurity release, and scaling without secondary contamination, suiting high-purity media and clean experiments. Insulating and aging-resistant: excellent insulation, radiation resistance, and aging resistance support continuous long-term operation and a service life far beyond ordinary tubing. Custom specifications are available.
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Taixing Harmocen Crystal Technology Co., Ltd. is located in Taixing City, Jiangsu Province, with convenient transportation. The company's main products include sapphire windows, sapphire tubes, sapphire precision components, sapphire substrates, infrared crystal optical products (zinc selenide, zinc sulfide, germanium single crystal, fluorides, etc.), and UV/IR quartz optical products, among which large-sized high-surface-accuracy sapphire/quartz products are well-known in the market. The company has a technical R&D team, a highly skilled workforce, and a complete set of processing and testing equipment, capable of processing products as thin as 0.015mm. Its products are widely used in deep-sea exploration, high-speed rail monitoring, oilfield monitoring, aerospace and other fields. With the core value of 'Harmony but not Uniformity, Sincerity to the World', the company is committed to narrowing the gap with international advanced levels and providing high-precision, low-cost sapphire and infrared crystal products.