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Honeycomb Ceramic Core for DPF GPF Systems

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Application Scenarios:Used in three-way catalytic converters (TWC), diesel particulate filters (DPF), and gasoline particle filters (GPF) across automotive and industrial exhaust systems.
Manufacturing Processes:Extrusion molding, high-temperature sintering, CNC cutting, surface finishing, and optional precious metal catalyst loading.
Features:High thermal stability, uniform cell structure , low pressure drop, customizable diameter/length/CPSI.
Customization:Cell density (100–600 CPSI), size (Ø50–Ø200mm), material (cordierite, SiC), coating options (Pt/Pd/Rh), and private label packaging.

Product Introduction


The ceramic catalyst substrate is the functional core of automotive emission control devices such as catalytic converters, DPFs, and GPFs. It features a honeycomb monolith structure with thousands of small square or hexagonal channels, which allow exhaust gases to pass through while providing a large surface area for catalytic reactions or particulate filtration.


Ceramic Substrate for Catalytic Converters


Made primarily from cordierite or silicon carbide, these substrates are engineered for high thermal resistance, low thermal expansion, and structural integrity under high-load conditions. Their surface is often coated with precious metal catalysts (platinum, palladium, rhodium) depending on the emission standards to be met.


This substrate supports the efficient conversion of CO, HC, and NOx in gasoline vehicles, as well as particulate matter filtration in diesel and direct-injection engines. Its precision structure also ensures minimal backpressure, allowing for stable engine operation.


Features & Benefits


The honeycomb ceramic structure delivers excellent mechanical strength, uniform flow distribution, and high cell density options ranging from 100 CPSI to 600 CPSI (cells per square inch). It ensures optimal catalytic efficiency while minimizing pressure drop across the exhaust system.


OEMs and converter manufacturers can benefit from the modular size options and reliable performance in mass production. Whether for Euro 6, EPA Tier 3, or China VI compliance, this substrate forms the foundation of certified emission systems.


High-Cell Ceramic Catalyst Carrier Substrate


Technical Specs Table

Specification Description
Material Cordierite / Silicon Carbide (SiC)
Shape Round / Oval Honeycomb Monolith
Cell Density (CPSI) 100 / 200 / 400 / 600
Wall Thickness 0.15–0.3 mm
Max Diameter Up to 200mm
Length Range 50–300 mm
Thermal Expansion ≤1.5 x 10⁻⁶ / °C
Catalyst Coating Optional Pt / Pd / Rh
Compatibility TWC / DPF / GPF / SCR Converters
MOQ 50 Units (Custom sizes negotiable)


FAQs


Q1: What's the difference between cordierite and SiC substrates?
Cordierite is more cost-effective and ideal for gasoline vehicles. SiC is preferred for diesel systems due to higher thermal resistance and particulate filtration efficiency.


Q2: Are these substrates suitable for Euro 6 or EPA use?
Absolutely. They are designed for compliance with the latest emission standards when integrated with certified catalyst formulations.


Q3: Can I request private labeling or custom packaging?
Yes. We support OEM/ODM cooperation with logo printing, carton design, and pallet packaging for bulk export.

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YDCT provides OE replacement exhaust components and standardized parts with flexible OEM customization, including logo marking, material and color options, and drawing-based production with MOQ.

We specialize in the manufacturing of automotive exhaust flex pipes, mufflers, exhaust pipe upgrade components, expansion joints, metal bellows, exhaust clamps, hose clamps, and exhaust tailpipe tips.

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