CG MATERIAL
Silicon Carbide Plates (SiC plates) for Wear, Heat and Corrosion Resistant Applications
Silicon Carbide Plates (SiC plates) for Wear, Heat and Corrosion Resistant Applications
Silicon Carbide (SiC) Plates are advanced ceramic components designed for extreme wear, high-temperature, and corrosive environments. With outstanding hardness, thermal conductivity, and chemical resistance, SiC plates are widely used in semiconductor equipment, kiln furniture, armor systems, wear liners, mechanical seals, and industrial processing equipment.
CG Material supplies Recrystallized Silicon Carbide (RSiC), Sintered Silicon Carbide (SSiC), and Reaction Bonded Silicon Carbide (RBSiC) plates in standard and custom dimensions.
Available Shapes
- Flat Plates
- Machined Plates
- Wafer Support Plates
- Kiln Setter Plates
- Wear Plates
- Customized Components
Custom Silicon Carbide Plates Available
CG Material manufactures custom silicon carbide plates according to customer drawings and specifications.
Available services include:
- Precision grinding
- Surface polishing
- CNC machining
- Drilling and slotting
- Complex geometries
- Tight tolerance machining
- OEM and ODM production
Silicon Carbide Plate Specifications
| Recrystallized SiC | Sintered SiC | Reaction Bonded SiC | |
| Purity | 99.5% | 98% | SiC ≥ 82% Si: 15%~20% |
| Max. Working Temp. (C) | 1650 | 1550 | 1300 |
| Bulk Density (g/cm3) | 2.7 | 3.1 | > 3 |
| Appearance Porosity | < 15% | 2.5 | 0.1 |
| Flexural strength (MPa) | 110 | 400 | 380 |
| Compressive strength (MPa) | > 300 | 2200 | 2100 |
| Thermal expansion (10^-6/`C) | 4.6 (1200℃) | 4.0 (< 500℃) | 4.4 (< 500℃) |
| Thermal conductivity (W/m.K) | 35~36 | 110 | 65 |
| Main characteristics | High temp. High resistance. High purity |
Fracture Toughness | Chemical Resistance |
Silicon Carbide Plate vs Alumina Plate vs Graphite Plate
| Property | SiC Plate | Alumina Plate | Graphite Plate |
|---|---|---|---|
| Hardness | Excellent | Good | Poor |
| Thermal Conductivity | Excellent | Moderate | Excellent |
| Wear Resistance | Excellent | Good | Poor |
| Corrosion Resistance | Excellent | Good | Moderate |
| Thermal Shock Resistance | Excellent | Moderate | Excellent |
| Service Life | Long | Medium | Medium |
Silicon Carbide Plate Applications
Semiconductor Equipment
Used as wafer support plates, process fixtures, and coating equipment components where high purity and dimensional stability are required.
Kiln Furniture
SiC plates are widely used as kiln shelves, setter plates, and support plates in ceramic, refractory, and powder metallurgy furnaces.
Wear-Resistant Liners
The extreme hardness of silicon carbide makes it ideal for wear plates in mining, material handling, and industrial processing equipment.
Mechanical Seals and Pump Components
Suitable for severe operating environments involving abrasion, corrosion, and high temperatures.
Armor and Ballistic Protection
High hardness and lightweight characteristics make SiC plates a preferred material for ballistic protection systems.
Chemical Processing
Excellent resistance to acids, alkalis, and corrosive gases enables long-term operation in aggressive chemical environments.
Frequently Asked Questions
Can you manufacture custom sizes?
Yes. We manufacture custom SiC plates according to drawings or samples.
Are SiC plates resistant to chemicals?
Yes. Silicon carbide exhibits excellent resistance to most acids, alkalis, and corrosive environments.
What industries use SiC plates?
Semiconductor, ceramics, metallurgy, mining, chemical processing, defense, and energy industries.
