Sic 90% Purity Black Silicon Carbide Grain
• Hard, dense abrasive grain
• Stable performance under heat
• Suitable for industrial applications
Product Overview
Black Silicon Carbide Grain with 90% purity is widely used across metallurgical, refractory, and abrasive industries. Typical applications include:
- Refractory bricks and castables
- Metallurgical furnace linings
- Abrasive grains for grinding and blasting
- Foundry and casting processes
- Wear-resistant industrial components
The grain form ensures good flowability, easy blending, and uniform distribution in industrial formulations.
Key Advantages
- High hardness ensures strong abrasive efficiency
- 90% SiC purity balances performance and cost
- Excellent thermal shock resistance
- Strong chemical stability in harsh environments
- Uniform grain structure for consistent results
- Long service life in industrial use
Technical Specifications
| Parameter | Value |
|---|---|
| Product | Black Silicon Carbide Grain |
| SiC Content | ≥ 90% |
| Free Carbon | ≤ 3.0% |
| Fe₂O₃ | ≤ 1.5% |
| Al₂O₃ | ≤ 1.0% |
| Bulk Density | ≥ 3.05 g/cm³ |
| Grain Size | 0–1 mm, 1–3 mm, 3–5 mm (customizable) |
| Appearance | Black angular grains |
| Applications | Refractories, Abrasives, Metallurgy |
| Certifications | ISO 9001, COA |
Main Applications
1.Refractory Systems
Used in refractory bricks, castables, and linings to improve heat resistance and service life.
2.Abrasive Applications
Applied in grinding, polishing, and blasting where high hardness and cutting efficiency are required.
3.Metallurgical Processing
Enhances wear resistance and thermal stability in furnace and ladle systems.
4.Foundry Operations
Improves material durability and performance in high-temperature casting environments.

Why Choose SiC 90% Purity Black Silicon Carbide Grain?
✔ Reliable hardness for abrasive and refractory use
✔ Stable performance at elevated temperatures
✔ Balanced purity for industrial cost efficiency
✔ Consistent grain size and quality
✔ Suitable for continuous high-load operations
✔ Backed by strict quality inspection standards
Manufacturing Process
- High-temperature synthesis of silicon carbide in electric furnaces
- Controlled impurity reduction and crystal formation
- Crushing and grading to specified grain sizes
- Batch testing for chemical composition and physical properties
- Moisture-resistant packaging for storage and transport
Packaging & Logistics
- 25 kg bags, 50 kg bags, or 1-ton jumbo bags
- Moisture-proof and dust-resistant packaging
- Palletized loading for bulk shipments
- Worldwide shipping via sea, air, or land
- Typical lead time: 7–12 working days
FAQ
Q1: What industries commonly use black silicon carbide grain?
Refractories, abrasives, metallurgy, and foundry industries.
Q2: Is 90% purity sufficient for refractory use?
Yes, it provides strong thermal and mechanical performance for most refractory systems.
Q3: Can grain size be customized?
Yes, grain sizes can be adjusted to meet specific application requirements.
Q4: Is this product suitable for abrasive blasting?
Yes, its hardness and angular shape make it effective for blasting and grinding.
Call to Action (CTA)
Contact us today for pricing, COA, and bulk supply of SiC 90% Purity Black Silicon Carbide Grain. We provide stable, high-performance silicon carbide materials for refractory, abrasive, and metallurgical industries worldwide.[contact us]


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