Product Overview

This product is a core filtering component for diesel engine exhaust aftertreatment systems, manufactured using precision-engineered ceramic materials. Featuring a high-density honeycomb porous structure with internal wall micropores, it achieves efficient physical capture and catalytic oxidation of carbon soot particles (PM) in exhaust gases. It is a key component in meeting China VI and above emission standards and enhancing engine environmental performance.

Working Principle

As exhaust gas flows through the honeycomb ceramic substrate, carbon soot particles are intercepted and deposited on the micropore surfaces of the channel walls. During the system regeneration phase, the deposited particulate matter is oxidized and cleaned at high temperatures under catalytic action, enabling periodic cleaning of the filter and ensuring sustained high-efficiency operation.

Core Technical Features

Physicochemical Performance Parameters

Dimensions & Customization Capabilities

Standard Geometry Range

• Shapes: Cylindrical, Oval, Race-track

• Cell Density: 200 - 300 CPSI (cells per square inch)

• Wall Thickness: 0.23 - 0.3 mm

• Outer Diameter Range: 50 - 330 mm

• Height Range: 50 - 350 mm

• Dimensional Tolerance: ±1.5 mm (can be tightened per request)

Customization Services

We provide tailored solutions based on customer engine parameters, installation space, and performance requirements:

• Non-standard dimensions and special cross-sectional shapes

• Optimized matching of cell density and wall thickness

• Integrated catalytic coating (DOC, SCR, Four-way catalyst) application

• Technical support for canning and assembly

Application Benefits

Environmental Benefits

• Significantly reduces PM (Particulate Matter) emissions, complying with the strictest global emission regulations

• Effectively reduces visible black smoke pollutants, improving air quality

Economic Benefits

• Long-life design reduces replacement frequency and maintenance costs

• Optimized backpressure design minimizes impact on engine power and fuel economy

• Good resistance to sulfur and phosphorus poisoning, enhancing durability under complex fuel conditions

System Advantages

• Excellent thermal stability and thermal shock resistance, suitable for drastic temperature changes in diesel engines

• High mechanical strength ensures structural integrity under vehicle vibration and impact

• Highly compatible with various aftertreatment systems (EGR, SCR, etc.)

Quality Assurance

• Raw materials sourced from high-quality suppliers with full traceability

• Fully automated extrusion and precision sintering processes ensure product consistency

• 100% inspection for appearance, dimensions, and key performance (crush strength, porosity)

• Validated through bench and vehicle emission testing

Match the Optimal Filtration Solution for Your Engine
Our engineering team provides full-process technical support, from selection analysis and simulation calculations to prototype testing, helping your products meet the latest environmental requirements and enhance market competitiveness. Contact us for more information.

Founded in 2017, Kegu is a leading advanced materials developer based in China’s Xixian New District, Qinhan New City—strategically positioned near major transport links including the Xianyang East Expressway. With a registered capital of 35.5 million RMB (approx. 5 million USD), we operate from a modern 5-acre production facility where we combine materials science innovation with precision manufacturing.

We specialize in engineering high-performance ceramic components for mission-critical industries such as New Energy, Chemical Processing, Pharmaceuticals, and Aerospace. Our products are known for exceptional thermal stability, excellent chemical resistance, and outstanding mechanical properties.

Leveraging a strong R&D foundation, we deliver customized ceramic solutions that meet stringent international quality standards while enhancing operational performance and reducing lifecycle costs for OEMs and innovators worldwide. At Kegu, we’re solving tomorrow’s material challenges—today.