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Universal-Fit Auto Engine Three Way Exhaust Front Catalytic Converter
The Three-Way Catalyst (TWC) is constructed using cordierite honeycomb ceramics as a carrier, enriched with rare earth composite oxides as additives, and integrated with precious metals (PD/RH) through a specialized coating and sintering process.
This product utilizes the synergistic effects of precious metals to convert Carbon Monoxide (CO), Hydrocarbons (HC), and Nitrogen Oxides (NOX) in exhaust gases into non-toxic Carbon Dioxide (CO2), Water (H2O), and Nitrogen (N2).
Standards According to Carrier Requirements:
Ceramic Honeycomb Substrate: A specialized industrial ceramic product used widely in automobile emission purification and industrial exhaust treatment systems.
Major features include a low thermal expansion coefficient, excellent thermal shock resistance, high resistance to acids, alkalis, and erosion, and superior mechanical strength.
Inside Honeycomb Ceramic Parameters:
| Terms | Unit | Standard Value | Measured Value | Test Method |
|---|---|---|---|---|
| Cordierite Main Crystalline Phase | % | ≥90.0 | 93.8 | XRD |
| AL2O3 | % | 35.4±1.5 | 36.2 | Chemical Analysis |
| MgO | % | 13.5±1.6 | 14.6 | Chemical Analysis |
| SiO2 | % | 49.7±1.7 | 48 | Chemical Analysis |
| Volume-Weight | Kg/L | ≤0.60 | 0.59 | Calculate |
| Strength | Mpa | ≥15.0 | 28 | Digital Tester |
| Thermal Expansion (800ºC) | /ºC | ≤1.8×10-6 | 1.55 | Expansion Apparatus |
| Softening Point | ºC | ≥1360 | 1390 | DMTA |
| Heat Shock Resistance | Time | ≥3 | 3 | Muffle Furnace |
| Water Absorption | % | 18-28 | 25 | Balance |
Available Dimensions (Diameter * Length): Dia80*80, Dia93*80, Dia93*100mm, DIa 100*100, Dia 101.6*100mm, Dia103*100mm, Dia 106*100mm, Dia 110*100, Dia 118*100, Dia 130*100.
