Honeycomb Ceramic Substrate (Catalyst Carrier / Monolith) Product Description

The Honeycomb Ceramic Substrate is a high-performance, multi-channel structural catalyst carrier, typically extruded from cordierite. It serves as the inert, skeletal core of modern emission control systems, providing a mechanically robust and chemically stable foundation with an exceptionally high surface area for washcoat and catalyst loading. As the core component in catalytic converters, it is the industrial standard for automotive exhaust purification and industrial VOC treatment, playing a critical role in meeting stringent emission standards from Euro IV/V to China VI.

-

Product Highlights

• Exceptional Thermal Shock Resistance: Cordierite material exhibits extremely low thermal expansion coefficient (CTE < 1.5×10⁻⁶/℃), allowing the substrate to endure rapid temperature cycling without cracking, ensuring reliable cold-start performance and long-term durability.
• Ultra-High Geometric Surface Area: With cell densities ranging from 100 to 600 CPSI and a thin-wall design (down to 0.10mm), the substrate maximizes the surface area for catalyst coating while maintaining a small, lightweight package.
• Optimized Low Back-Pressure: The straight, parallel cell structure ensures minimal resistance to exhaust gas flow, which reduces engine back-pressure, minimizes power loss, and improves fuel efficiency.
• Superior Catalyst Compatibility: The precisely engineered pore structure and high water absorption (22-32%) ensure optimal adhesion and uniform distribution of various catalyst washcoats, guaranteeing high conversion efficiency for harmful pollutants.
• High Mechanical Strength: Robust anisotropic compressive strength (A-axis ≥ 15MPa) provides strong structural integrity, reliably withstanding the extreme mechanical and thermal stresses of the canning process and engine operation.
• Wide Application Versatility: Can be coated with various catalysts for use in TWC, SCR, DOC, GPF, and DPF systems for gasoline and diesel engines, as well as in industrial catalytic oxidation systems for VOC abatement.