Atomfair Beta Silicon Carbide Powder (3C-SiC), >99% Purity, D50 103 μm – Thermal Conductivity and Microwave Absorption
Product Description
Atomfair beta Silicon Carbide Powder (3C-SiC) is supplied with >99% purity, D50 103 μm particle size, and a cubic beta-SiC (3C-SiC) crystal structure. It is intended for thermal-conductive fillers, microwave-absorbing materials, and dielectric or insulation materials research.
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Technical Specifications
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Customization & Ordering
Custom particle-size and purity requirements may be evaluated for selected
grades upon request. Alternative package sizes may also be available.
Minimum order quantities, pricing, and lead times vary by specification and
will be confirmed during technical review and quotation.
Key Features and Advantages
- Defined >99% purity grade with D50 103 μm particle size.
- Complete-crystal, low-defect cubic beta-SiC powder format with high density.
- Low oil-absorption behavior with tunable dielectric performance for functional filler evaluation.
APPLICATION SCOPE: thermal-conductive fillers, microwave-absorbing materials, and dielectric or insulation materials research
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation. Additional documentation requirements may be discussed before order confirmation.
LABORATORY PROCUREMENT SUPPORT
For grade selection, particle-size confirmation, documentation support or custom specification review, contact our technical sales team.
How does the particle size distribution of Atomfair 3C-SiC powder affect its performance as a thermal-conductive or microwave-absorbing filler?
This beta-SiC grade is specified with a D50 of 103 μm, D10 of 65.7 μm, and D97 ≤189 μm, so it is a relatively large-particle powder with a high tap density of 1.99 g/cm³. The manufacturer positions it for thermal-conductive fillers and microwave-absorbing research, but the source does not provide comparative performance data versus finer SiC grades. End-use validation in your target composite or formulation is therefore required.
Can this beta-SiC powder be used for both thermal conduction and microwave absorption applications from the same grade?
Yes, the product is explicitly supplied for thermal-conductive fillers, microwave-absorbing materials, and dielectric or insulation materials research. It is described as a complete-crystal, low-defect cubic beta-SiC powder with tunable dielectric performance for functional filler evaluation, so the same 3C-SiC grade can be screened across those application scopes. Final suitability depends on the loading level, dispersion, and target matrix properties you establish experimentally.
What purity and impurity specifications should be verified before using this SiC powder in high-purity research or electronic formulations?
Atomfair specifies >99% purity for this 3C-SiC powder, with an impurity profile of Fe₂O₃ <0.08%, SiO₂ <0.1%, free Si <0.1%, and free carbon <0.05%. A batch-specific COA and SDS can be provided upon request to confirm these values before order confirmation.
Atomfair Beta Silicon Carbide Powder (3C-SiC) with >99% purity and D50 103 μm offers a high-density, low-defect cubic phase suitable for thermal management and microwave absorption research, though its broad particle size distribution and residual impurities require careful consideration for precision dielectric applications.
Positive
- High purity and defined particle size: >99% purity with D50 103 μm ensures consistent filler performance in thermal-conductive and microwave-absorbing composites.
- Low oil absorption and tunable dielectric properties: Low oil-absorption behavior and tunable dielectric performance enable functional evaluation in dielectric and insulation materials research.
Trade-offs
- Broad particle size distribution: D97 ≤189 μm indicates a fraction of coarse particles, which may require sieving or additional processing for applications demanding narrow size distribution and uniform packing.
- Residual impurities affect high-purity applications: Fe2O3 (<0.08%) and SiO2 (<0.1%) impurities may influence dielectric performance in high-precision or low-loss dielectric applications.
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).
