Engineering Grade Silicon Nitride Powder
What the si nitride powder Is
Engineering grade silicon nitride powder is a ceramic raw material designed for industrial applications requiring stable performance under high temperature and mechanical stress. This Si₃N₄ powder features controlled particle size, low oxygen content, and reliable sintering behavior, supporting consistent ceramic manufacturing.
Ceramic components produced from this powder maintain strength, wear resistance, and thermal stability during long-term service. The material also offers good resistance to thermal shock and chemical attack, enabling use in demanding operating environments.
Engineering grade silicon nitride powder is widely applied in aerospace, power generation, automotive, and industrial engineering fields, including turbine components, bearings, seals, cutting tools, and ceramic substrates for power electronics.
Technical Parameters
| Si3N4% | N% | Ca% | Al% | Fe% | C% | O% |
| 85 | 34 | ≤0.6 | ≤0.8 | ≤1 | ≤1.5 | ≤2.5 |
| 90 | 36 | ≤0.3 | ≤0.3 | ≤0.5 | ≤1 | ≤2 |
| 95 | 38 | ≤0.4 | ≤0.4 | ≤0.4 | ≤1 | ≤2 |
| 99 | 39.5 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.5 |
Packaging & FAQ
We package engineering-grade silicon nitride powder using controlled methods to maintain material quality during storage and international transport. The Si₃N₄ powder is sealed in moisture-resistant inner packaging and placed in durable drums or export cartons to prevent contamination and physical damage.
For larger volumes, the powder can be supplied in lined bulk bags designed for clean handling and material protection. All packaging is labeled with batch identification and basic handling information, meeting international shipping requirements. Packaging format, labeling, and packing units can be adjusted according to customer logistics or storage needs.
FAQ
Q1: How is engineering‑grade silicon nitride powder packaged for long‑distance sea shipping?
A1: Our Si3N4 powder is double‑packaged with moisture‑proof inner liners and rigid outer drums/cartons to withstand humidity, vibration, and rough handling during ocean transit. Bulk shipments use sealed FIBC bags with additional moisture protection.
Q2: Can you provide packaging certifications for silicon nitride powder?
A2: Yes, we can provide certifications such as UN packaging compliance for hazardous materials (if applicable) and export packaging inspection reports to meet your regulatory needs.
Q3: What is the minimum order quantity for custom packaging of Si nitride powder?
A3: Custom packaging options are available for orders starting from 500 kg. For smaller quantities, we can offer modified standard packaging upon request.
Q4: How long can silicon nitride powder be stored in its original packaging?
A4: When stored in a dry, cool environment, our Si3N4 powder maintains its performance for up to 24 months in sealed packaging. We recommend using the material within 12 months for optimal sintering results.
Q5: Can packaging labels be customized with our company logo or product codes?
A5: Absolutely. We can print custom labels with your branding, part numbers, or safety information at no extra cost for bulk orders.
Q6: Is the packaging recyclable?A6: Yes, our fiber drums, cartons, and FIBC bags are made from recyclable materials, and the inner aluminum liners can be recycled through specialized facilities.
📩 Please contact us for packing confirmation, documentation, or sample requests.
Company Profile - Zhen An International Co.,Limited
We supply ceramic and metallurgical materials with more than 30 years of experience across production, processing, and international trade.
Our product portfolio 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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