Silicon Nitride Powder For Thermal Stability
Product Introduction
Silicon nitride is distinguished by its strong covalent bonding structure and delivers reliable performance across an exceptionally wide temperature range from −200°C to 1600°C. This level of thermal and mechanical stability is difficult for conventional metals or superalloys to achieve, positioning silicon nitride as a standout material in advanced ceramic applications.
Rewritten Features
- High mechanical strength with strong surface hardness
- Stable performance under elevated temperatures and efficient heat transfer
- Excellent resistance to wear during long-term service
- Strong durability against corrosion and oxidation environments
- Good fracture resistance supporting structural reliability
- High tolerance to rapid thermal changes and mechanical impact
Product Specifications
| Parameter | Typical Value |
|---|---|
| Chemical Formula | Si₃N₄ |
| Purity | ≥ 99.0% |
| Nitrogen Content | ≥ 38.5% |
| Oxygen Content | ≤ 1.5% |
| Particle Size (D50) | 0.6–1.0 μm |
| Specific Surface Area | 8–12 m²/g |
| Phase Composition | α-Si₃N₄ dominant |
| Bulk Density | ≥ 0.55 g/cm³ |
| Loss on Ignition | ≤ 1.0% |
| Appearance | Gray to off-white powder |
FAQ
Q1: What purity levels are available for your silicon nitride powder?
A: Our Si₃N₄ powder is available in purity ranges from 99% to 99.999%, with controlled oxygen content and low metallic impurities to suit different ceramic and industrial applications.
Q2: Can you provide samples and what is the typical delivery time?
A: Yes. Samples are available for testing and evaluation. Standard grades are usually shipped within 7–15 days after order confirmation. Custom grades may require additional time.
Q3: Is the packaging suitable for international transportation and can it be customized?
A: Yes. Our packaging is designed for long-distance transport, protecting against moisture and handling stress. Packaging formats, weights, and labeling can be customized upon request.
📩 Please contact us for packing confirmation, documentation, or sample requests.
Company Profile
We supply ceramic and metallurgical materials with more than 30 years of experience in production, processing, and international trade.
Our product range includes silicon nitride materials, ferroalloys, silicon-based products, and other industrial raw materials.
By integrating manufacturing capability with export operations, we aim to provide reliable material supply and coordinated one-stop sourcing support for industrial customers worldwide.
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