High Purity SiC 90 For Steelmaking And Refractory Use
Silicon Carbide 90 Granules
Silicon Carbide 90 Granules (SiC ≥90%) is a higher-purity silicon carbide material designed for industrial users who require more stable composition, lower impurities and better process control.
Compared with standard grades such as SiC 88, this product is more suitable for applications where consistency and performance are critical, especially in steelmaking, precision casting and higher-grade refractory production.
We focus on supplying granular Silicon Carbide 90, ensuring better usability in industrial feeding systems.
Chemical Specification
| Item | Specification |
|---|---|
| SiC | ≥90% |
| F.C | 2-3% |
| Fe2O3 | 1.0-2.0% |
| Moisture | ≤0.5% |
| Form | Granules |
Granular Size Options
We supply Silicon Carbide 90 in granular form only, including:
- 0-1mm
- 1-3mm
- 1-5mm
- 0-10mm
- 1-10mm
- Customized sizes
Why Choose Silicon Carbide 90 Instead of 88?
For many buyers, the key question is not "what is SiC 90", but:
👉 When should I upgrade from 88 to 90?
Choose SiC 90 if you need:
- More stable chemical composition
- Lower impurity impact in production
- Better control in metallurgical reactions
- Higher consistency in batch production
- Reduced fluctuation in final product quality
Typical scenarios:
- Steel plants with stricter process control
- Foundries producing higher-grade castings
- Refractory manufacturers requiring stable raw materials
👉 In short:
- SiC 88 = cost efficiency
- SiC 90 = performance stability
Key Advantages of Silicon Carbide 90 Granules
Higher SiC Content (≥90%)
Provides better metallurgical performance and more predictable results.
Lower Impurities
Helps reduce unwanted reactions and improves product consistency.
Better Process Control
Suitable for customers who need stable and repeatable production performance.
High Temperature Resistance
Performs reliably in high-temperature environments such as furnaces and kilns.
Strong Wear Resistance
Maintains durability in demanding industrial applications.
Granular Structure for Industrial Use
Easy to handle, transport and feed into production systems.
Application Focus
Steelmaking – Better Control, Better Stability
Silicon Carbide 90 is widely used in steel plants where process stability is critical.
Used for:
- Deoxidizing processes
- Metallurgical adjustments
- Silicon and carbon source
Why SiC 90:
- More stable reaction behavior
- Better impurity control
- Suitable for higher-grade steel production
Foundry – Improved Casting Consistency
For foundries producing higher-quality castings, SiC 90 provides more predictable performance.
Benefits:
- More consistent melting results
- Better control of chemical composition
- Reduced variation between batches
Refractory – Higher Performance Materials
In refractory production, SiC 90 is preferred when better material performance is required.
Applications:
- High-grade refractory castables
- Furnace lining materials
- Wear-resistant products
Advantages:
- Improved thermal stability
- Better oxidation resistance
- Longer service life potential
Packaging
- 25kg bags
- 1MT jumbo bags
- Customized packaging
Delivery
- MOQ: 1 ton
- Delivery Time: 7-15 days
- Samples: Free, only shipping costs apply.
- Supply: Stable long-term
Looking for a reliable supplier of Silicon Carbide 90 Granules?
Send us:
- Required size
- Quantity
- Application
- Destination port
Looking for a reliable high purity ferro silicon supplier? Send your inquiry and get a quotation within 24 hours.
FAQ
Is Silicon Carbide 90 better than 88?
Not always "better" - but it is more stable and higher purity, which is important for certain applications.
When should I choose SiC 90?
When your production requires better consistency and lower impurity impact.
Do you supply powder?
No. We only supply granular silicon carbide.
Can you customize size?
Yes, we can supply customized granular sizes.





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