Oval Porous Grid Black Ceramic Disc - High-Temperature Silicon Carbide Ceramic

Product Specification

Oval Porous Grid Black Ceramic Disc - High-Temperature Silicon Carbide Ceramic Filter & Heat Sink Component

Product Overview

This product is an oval-shaped silicon carbide (SiC) ceramic disc expertly manufactured using advanced reaction bonding technology. It is made from high-purity black ceramic and features a distinctive porous grid structure on its surface. This design provides an exceptionally high surface area and an optimal balance of permeability and functionality. Silicon Carbide itself is an advanced engineering ceramic renowned for its properties that surpass those of most metals and other ceramics, making it the ideal choice for extreme operating conditions in high-end sectors like the automotive and aerospace industries.

Primary Applications

Leveraging its high-temperature resistance, superior strength, and porous nature, this product serves as a versatile industrial component.

• Filtration & Purification: As a filter element for high-temperature gases, molten metals, or corrosive chemical media.

• Thermal Management: As a heat sink component or heat exchanger substrate for high-power electronics and semiconductor processing equipment.

• Damping & Sealing: As a damping gasket or sealing spacer, providing cushioning, support, and sealing under high-temperature and high-pressure environments.

• Combustion Support: Can be used as a porous ceramic plate for gas burners and industrial combustors to achieve uniform and efficient combustion.

Key Advantages

1. Exceptional High-Temperature Resistance: Capable of stable long-term operation in environments up to 1600°C, with even higher short-term tolerance.

2. Outstanding Mechanical Strength: High hardness and flexural strength enable it to withstand significant mechanical and thermal stress, ensuring a long service life.

3. Excellent Thermal Shock Resistance: Withstands rapid temperature changes without cracking, ideal for processes involving quick heating and cooling cycles.

4. Superior Wear & Corrosion Resistance: Highly resistant to most acids, alkalis, and abrasive wear.

5. Controlled Porosity: Uniform pore size and distribution achieve a perfect balance between high filtration efficiency and low flow resistance.

Specifications Table

Manufacturing Process Overview

This product is made using the Reaction Bonding/Sintering process. Key steps include: Mixing SiC micro-powder with a carbon source → Isostatic pressing (to form the oval green body) → Precision machining → High-temperature silicon infiltration reaction sintering → Surface grid structure finishing → Non-destructive testing → Final inspection and packaging.

Usage Instructions

1. Pre-Installation: Inspect the product for any shipping damage and clean the mounting surface to ensure it is free of hard particles.

2. During Installation: Avoid applying uneven mechanical stress or impact. Using a flexible gasket for installation is recommended.

3. Operation: For the first heating and cooling cycles, a gradual temperature ramp rate is advised to maximize its thermal shock resistance.

4. Important Note: This product is not suitable for use in environments with hydrofluoric acid, hot concentrated phosphoric acid, or other strong fluorides.

After-Sales Service

We provide comprehensive technical support and a quality guarantee. The product comes with a 12-month warranty, and we offer detailed technical consultation and selection guidance. Our engineering team is available for prompt technical support for any product-related inquiries.

Frequently Asked Questions (FAQ)

• Q: Can this ceramic disc be customized to other shapes and sizes?
  A: Yes. We support non-standard customization and can manufacture products to your specific shape, size, and porosity requirements based on provided drawings.

• Q: Does the porous structure affect its strength?
  A: It has some effect, but through our optimized sintering process, it maintains strength far superior to conventional materials at the designed porosity level, sufficient for most industrial applications.

• Q: What is the smallest achievable pore size?
  A: We can provide products with average pore sizes ranging from micrometers to millimeters, depending on your specific filtration or permeation needs.