Atomfair Silicon Nitride (Si3N4) Ceramic Powder, Alpha Phase <20%, D50 5–10 μm, 4N (99.99% purity)
Product Description
Atomfair Silicon Nitride (Si3N4) Ceramic Powder is supplied as gray powder with Alpha phase <20% and the stated particle-size specification. It is intended for silicon nitride ceramic processing and formulation research. 4N (99.99% purity) grade.
Technical Specifications |
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Customization & Ordering
Custom specifications, quantities, and packaging may be available upon request. Minimum order quantities, pricing, and lead times will be confirmed during technical review and quotation.
Key Features and Advantages
- Silicon nitride powder with a defined low alpha-phase proportion.
- D50 particle-size range of 5–10 μm for process-specific ceramic evaluation.
- Defined nitrogen, iron, aluminum, calcium, carbon, and oxygen specifications.
APPLICATION SCOPE: silicon nitride ceramic processing and formulation research.
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
Silicon nitride powder requires controlled storage to prevent moisture uptake and oxidation, which can alter surface chemistry and sintering behavior. Handling must minimize airborne dust generation to avoid inhalation exposure and cross-contamination.
- Moisture Sensitivity: Store in a sealed container under dry conditions to prevent hydrolysis and surface oxidation that can affect ceramic processing.
- Contamination Control: Use dedicated spatulas and clean handling tools to avoid introducing metallic or organic impurities that could compromise the 4N purity.
- Dust Control: Handle in a fume hood or glovebox with appropriate respiratory protection to prevent inhalation of fine particles.
This procedure outlines safe handling and preparation of silicon nitride powder for ceramic processing. It covers initial inspection, dispersion, and storage to maintain powder integrity.
Required Equipment: Fume hood or glovebox, Sealed container with desiccant, Clean spatula
- Inspect packaging
Inspect the sealed container for any damage or moisture ingress before opening. - Transfer powder
Transfer the required amount of powder using a clean, dry spatula inside a fume hood or glovebox. - Disperse powder
Disperse the powder in the appropriate solvent or binder system according to your formulation, ensuring uniform mixing. - Reseal container
Reseal the original container immediately after use and store in a dry, inert atmosphere to prevent moisture pickup.
What are the purity and impurity specifications of this Atomfair silicon nitride powder?
This is a 4N (99.99% purity) grade silicon nitride powder with alpha phase <20% and D50 5–10 μm. The stated limits are Fe ≤5000 ppm, Al ≤2500 ppm, Ca ≤2500 ppm, C ≤0.15%, and O <1.0%, with nitrogen ≥38%.
Can this Si3N4 powder be used directly in ceramic processing and formulation research?
Yes, the product is explicitly intended for silicon nitride ceramic processing and formulation research. Its defined alpha phase, D50, and impurity limits support process-specific evaluation; however, the source does not specify sintering additives, forming methods, or firing conditions, so final process validation is still required.
What batch documentation and packaging options are available for laboratory procurement?
A COA and SDS can be provided upon request for batch-specific confirmation. The product is offered in 100g, 250g, 500g, and 1kg packages, and custom specifications, quantities, or packaging may be available after technical review and quotation.
This Atomfair Silicon Nitride (Si₃N₄) Ceramic Powder, with alpha phase <20%, D50 5–10 μm, and 4N purity, is evaluated for silicon nitride ceramic processing and formulation research, where its defined low alpha-phase content and controlled particle size distribution enable reproducible sintering studies and property optimization.
Positive
- Low alpha-phase content: Alpha phase <20% provides a defined starting phase composition for controlled sintering and phase transformation studies, critical for achieving desired beta-phase microstructure in silicon nitride ceramics.
- Controlled particle size distribution: D50 of 5–10 μm offers a consistent particle size range suitable for process-specific ceramic evaluation, enabling reproducible green body formation and densification behavior.
Trade-offs
- High impurity levels for 4N grade: Iron ≤5000 ppm, aluminum ≤2500 ppm, and calcium ≤2500 ppm are relatively high for a 99.99% purity specification, which may affect sintering additives' efficacy and final ceramic properties in sensitive applications.
- Oxygen content constraint: Oxygen <1.0% must be accounted for during processing, as residual oxygen can influence liquid-phase sintering behavior and final phase composition, requiring careful atmosphere control.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
