Explore our primary industrial ceramic portfolio, including high-purity zirconia powders, silicon nitride structural elements, and micro-milling media engineered for ultra-low wear rates and extreme chemical resistance.
Alumina Keramik (Aluminum Oxide Ceramic, $\text{Al}_2\text{O}_3$) stands as the premier workhorse material of modern technical ceramics. Valued for its extraordinary combination of mechanical hardness, electrical insulation, chemical inertness, and thermal stability, Alumina Keramik operates reliably in extreme industrial environments where metals and polymers fail.
The crystal structure of technical-grade Alumina is overwhelmingly dominated by the hex-close-packed $\alpha\text{-Al}_2\text{O}_3$ (Corundum) phase. This tightly bound ionic-covalent atomic framework gives high-purity Alumina its exceptionally high Young's Modulus (up to $380 \text{ GPa}$) and high Mohs hardness of $9$. As a global wholesale manufacturer and OEM engineering factory, our production processes rigorously control grain boundary physics, raw powder particle size distribution ($D_{50} = 0.3 - 0.8 \, \mu\text{m}$), and sintering additives to maximize density and eliminate micro-porosity.
Depending on the end-user intent and operational demands, Alumina Keramik is synthesized into different purity thresholds:
Founded in 2003, Yixing Qiangguang Ceramic Materials Co., Ltd. is a professional provider dedicated to the research and development (R&D), manufacturing, and application solutions of high-performance advanced ceramic materials. It is among the few enterprises in China that possess a complete industrial chain, covering key links from powder synthesis, spray drying, forming, high-temperature sintering, and precision CNC diamond machining to integrated application engineering solutions.
The company is also a rare domestic manufacturer engaged in the R&D, production, and supply of a comprehensive portfolio of advanced ceramic materials. Its product range spans zirconia, yttria, alumina, magnesia, aluminum nitride, boron nitride, silicon nitride, silicon carbide, aluminum titanate, and other key structural and functional ceramics for industrial use.
Adhering to the core principle of "creating value for customers", Qiangguang provides customized and cost-efficient advanced ceramic solutions tailored to the specific technical demands of global customers. Supported by high-quality after-sales engineering and a strict full-process tracking system, we effectively enhance project cooperation efficiency and promote continuous quality improvement.
Benefiting from excellent product performance and stable quality, Qiangguang's products are extensively utilized in various high-end fields, such as food and medical industries, new energy vehicles (NEVs), laser semiconductors, petrochemical engineering, powder metallurgy, national defense and military, as well as aerospace sectors.
At present, the company's products are sold well across China and exported to Italy, the United Kingdom, Australia, Japan, Malaysia, Thailand, Hungary, and other countries and regions. Committed to delivering high-quality products at reasonable direct-factory prices, Qiangguang sincerely looks forward to establishing long-term, strategic cooperative relations with global partners.
Selecting the optimal technical ceramic requires balancing mechanical strength, thermal conductivity, fracture toughness, and cost efficiency. The matrix below benchmarks key parameters across our primary ceramic material lines:
| Material Type | Density (g/cm³) | Flexural Strength (MPa) | Thermal Conductivity (W/m·K) | Max Service Temp (°C) | Dielectric Strength (kV/mm) |
|---|---|---|---|---|---|
| Alumina ($\text{Al}_2\text{O}_3$ 95%) | 3.65 | 330 | 18 - 22 | 1500 | 16 |
| Alumina ($\text{Al}_2\text{O}_3$ 99.8%) | 3.92 - 3.96 | 380 - 420 | 30 - 35 | 1700 | 22 |
| Yttria Stabilized Zirconia (YSZ) | 6.05 | 1000 - 1200 | 2.5 - 3.0 | 1200 | 10 |
| Silicon Nitride ($\text{Si}_3\text{N}_4$) | 3.25 | 850 - 950 | 30 - 35 | 1400 | 15 |
| Aluminum Nitride (AlN) | 3.30 | 320 - 350 | 170 - 200 | 1150 | 20 |
| Silicon Carbide (SiC) | 3.10 - 3.15 | 450 - 550 | 120 - 140 | 1600 | -- |
Our custom-machined Alumina Keramik and advanced composite ceramics are key components for high-reliability systems worldwide. Through precision diamond grinding, CNC ultrasonic milling, and laser micro-drilling, we meet strict drawing tolerances up to $\pm 0.002 \, \text{mm}$.
As industrial technology advances toward sub-nanometer semiconductor nodes, ultra-high voltage electrification, and extreme space exploration, Yixing Qiangguang ceramic research focuses on several technical developments:
Comprehensive responses to key technical, operational, and commercial questions asked by design engineers, procurement specialists, and global distributors.
Browse our secondary industrial ceramic offerings, including magnesium oxide, aluminum nitride thermal substrates, and high-durability YSZ media engineered for specialized manufacturing environments.