Product Description
Silicon carbide (SiC) foam ceramic filters are an advanced type of inorganic non-metallic filtration material. These filters are specifically designed to offer several key benefits, including lightweight construction, high strength, superior temperature resistance, excellent corrosion resistance, easy regeneration, long service life, and effective filtration adsorption.
Cost-Effective Production with SiC Ceramic Foam Filters
One of the standout features of silicon carbide foam ceramic filters is their ability to be compacted at normal pressure. This process eliminates the need for high-pressure conditions and inert atmospheres, thereby reducing production costs for businesses.
By adding the appropriate sintering assistant, the sintering temperature of the SiC ceramic foam filter can be reduced. This not only minimizes the oxidation of silicon carbide on the foam's surface but also improves the overall performance and durability of the ceramic foam.
Durability and Efficiency
The SiC foam filter is highly resistant to corrosion from acids and bases, making it ideal for filtration applications. Additionally, it does not pollute the filtered metal, which is a critical consideration in metal casting. The filter can be reused multiple times without compromising its filtration efficiency, leading to significant cost savings for companies.
Key Features of Silicon Carbide Ceramic Foam Filters
- Superior Performance: SiC ceramic foam filters offer excellent performance for a variety of filtration applications.
- Precise Size Control: These filters are available in exact sizes, ensuring accuracy and consistency in their use.
- High Strength: Multi-impregnated slurry ensures that the filters are free from loose debris, providing added strength and stability.
- Good Porosity: SiC ceramic foam filters have ideal porosity, ensuring smooth pouring of molten metal without blockages.
- Thermal Shock Resistance: With mature sintering technology, these filters exhibit strong thermal shock resistance, ensuring reliable performance even in high-temperature conditions.
Advantages of Using Silicon Carbide Foam Filters
- Reduction in Inclusion Levels: Effective at reducing inclusion levels in castings, leading to cleaner metal and higher-quality products.
- Superior Filtration Capacity: SiC filters provide excellent filtration capacity, making them suitable for a wide range of metal casting applications.
- Ideal for High-Alloyed Steel: Perfect for filtering high-alloyed steels, ensuring improved casting results.
- High Efficiency: With high efficiency, these filters can significantly boost productivity in industrial processes.
- Preheating Compatibility: The filters can be preheated for investment casting applications, adding to their versatility.
Physical and Chemical Properties
| Material | Silicon Carbide (SiC) |
|---|---|
| Color | Grey Black |
| Pore Density | 8-60 PPI (pores per inch) |
| Porosity | 80-90% |
| Refractoriness | ≤1500°C |
| Bending Strength | >0.8 MPa |
| Compression Strength | >0.9 MPa |
| Volume Weight | 0.35-0.5 g/cm³ |
| Thermal Shock Resistance | 6 cycles at 1100°C |
Specifications for Silicon Carbide Foam Filter
| Dimension (mm) | Pouring Rate (kg/s) | Filtration Capacity (ton) | Gray Iron | Ductile Iron |
|---|---|---|---|---|
| 40*40*22 | 4 | 3 | 65 | 32 |
| 50*50*22 | 6 | 4 | 100 | 52 |
| 75*50*22 | 9 | 6 | 150 | 75 |
| 75*75*22 | 14 | 9 | 220 | 100 |
| 100*50*22 | 12 | 8 | 200 | 100 |
| 100*75*22 | 18 | 12 | 300 | 150 |
| 100*100*22 | 25 | 16 | 400 | 200 |
| 150*150*22 | 50 | 36 | 900 | 450 |
Applications
Silicon carbide foam ceramic filters are ideal for a wide range of applications, including:
- Ductile Cast Iron
- Malleable Cast Iron
- Gray Iron
- Other Cast Iron Types
- Non-Ferrous Metals: Such as aluminum, copper, and bronze alloys
