High-Performance Green Silicon Carbide Blocks for Refractory & Ceramic Applications
Green SiC 88% blocks are engineered for demanding high-temperature environments where thermal stability, wear resistance, and chemical purity are critical. Manufactured from high-grade silica sand and petroleum coke in electric resistance furnaces, these blocks deliver consistent performance in refractory linings, kiln furniture, and advanced ceramic systems.
Designed for industrial buyers, our Green SiC blocks combine controlled composition, uniform density, and customizable dimensions, ensuring reliable operation in steel, glass, and ceramic production processes.
Key Advantages of Green SiC 88% Blocks
High Thermal Conductivity – Efficient heat transfer improves furnace performance
Excellent Oxidation Resistance – Stable in oxidizing and reducing atmospheres
Superior Wear Resistance – Extends service life in abrasive environments
Low Thermal Expansion – Minimizes cracking under thermal cycling
Consistent Purity Control – Ensures predictable metallurgical results
Chemical Composition
| Component | Content (%) |
|---|---|
| SiC | ≥ 88% |
| SiO₂ | ≤ 5.0% |
| Fe₂O₃ | ≤ 1.5% |
| F.C | ≤ 3.0% |
Physical Properties
| Property | Value |
|---|---|
| Mohs Hardness | 9.2–9.5 |
| Bulk Density | 2.6–2.8 g/cm³ |
| Refractoriness | ≥ 1900°C |
| Thermal Conductivity | High |
| Thermal Shock Resistance | Excellent |
Standard Block Sizes
| Size (mm) | Tolerance |
|---|---|
| 100 × 100 × 50 | ±2 mm |
| 150 × 100 × 50 | ±2 mm |
| 200 × 100 × 50 | ±2 mm |
| Custom Sizes | Available |
✔ Custom machining and OEM shapes available upon request.
Applications
Green SiC 88% blocks are widely used in:
Refractory linings for high-temperature furnaces
Kiln furniture in ceramic and porcelain production
Glass melting furnaces for improved thermal efficiency
Steelmaking as wear-resistant lining material
Non-ferrous metallurgy processes requiring chemical stability
Why Choose Our Green SiC Blocks
Unlike standard market offerings, our blocks are optimized for industrial consistency and procurement efficiency:
Strict raw material selection for stable SiC content
Precision-controlled production for uniform density
Flexible sizing to match furnace design requirements
Reliable bulk supply for long-term contracts
Export-ready packaging for global shipping
Packaging & Delivery
Packaging: 1 MT jumbo bags or wooden pallets
Delivery Time: 7–15 days depending on order volume
Loading Port: Tianjin / Qingdao
MOQ: Flexible based on specification
How to Select the Right SiC Block
Choosing the correct Green SiC block depends on:
Operating temperature
Furnace type (EAF, kiln, glass furnace)
Mechanical wear conditions
Required service life
If you are unsure, our technical team can recommend the optimal specification based on your application.
Get a Quote
Looking for a reliable supplier of Green SiC 88% blocks?
Contact us today for:
Latest pricing
Technical consultation
Bulk order solutions
📧 Email: market@zanewmetal.com
📱 WhatsApp: +86 15518824805
FAQ
1. What is Green SiC 88% used for?
It is mainly used in refractory linings, kiln furniture, and high-temperature structural components.
2. What is the difference between Green SiC and Black SiC?
Green SiC has higher purity and hardness, making it suitable for more demanding applications.
3. Can Green SiC blocks replace traditional refractory bricks?
Yes, especially in environments requiring higher wear and thermal shock resistance.
4. What temperatures can these blocks withstand?
They can operate in environments above 1900°C.
5. Are custom sizes available?
Yes, we support OEM dimensions and shapes.
6. What industries commonly use these blocks?
Steel, ceramics, glass, and non-ferrous metallurgy industries.
7. How are the blocks packaged?
Typically in jumbo bags or palletized wooden crates.
8. What is the lead time?
Usually 7–15 days depending on order size.
9. Do you provide samples?
Yes, samples are available upon request.
10. How do I choose between 88% and 90% SiC?
88% is more cost-effective; 90% offers higher purity for critical applications.
11. Are the blocks resistant to chemical corrosion?
Yes, especially in acidic and high-temperature environments.
12. Can these be used in steelmaking furnaces?
Yes, they are widely used in furnace linings and slag zones.
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