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Factory Pirce Catalytic Converter Pt Pd Rh Ceramic Honeycomb Catalyst Substrate Universal Catalytic Converter For Car Exhaust
Factory Pirce Catalytic Converter Pt Pd Rh Ceramic Honeycomb Catalyst Substrate Universal Catalytic Converter For Car Exhaust
Three-way catalytic converter is the most important external purification device installed in the automobile exhaust system, which can convert the harmful gases such as CO, carbon monoxide, HC hydrocarbons and NOX nitrogen oxides discharged from the automobile exhaust into harmless carbon dioxide, water and nitrogen through oxidation and reduction.Because this catalytic converter can simultaneously convert the three main harmful substances in the exhaust gas into harmless substances, it is called three way.
Specification
|
Terms |
Unit |
Value |
Measured value |
Test method |
|
Cordierite main crystalline phase content |
% |
≥90.0 |
93.8 |
XRD |
|
AL2O3 |
% |
35.4±1.5 |
36.2 |
chemical analysis |
|
MgO |
% |
13.5±1.6 |
14.6 |
|
|
SiO2 |
% |
49.7±1.7 |
48 |
|
|
volume-weight |
Kg/L |
≤0.60 |
0.59 |
Culculate（weight/volume） |
|
Strength |
Mpa |
≥15.0 |
28 |
Digital display engineering ceramics strength tester |
|
Mpa |
≥2.0 |
4.5 |
||
|
Mpa |
≥0.15 |
0.28 |
||
|
Coefficient of thermal expansion(indoor temperature-800℃) |
/℃ |
≤1.8×10-6 |
1.55 |
Thermal expansion coefficient apparatus |
|
Softening point |
℃ |
≥1360 |
1390 |
DMTA |
|
Resistance to heat shocks（550℃） |
Time |
≥3 |
3 |
muffle furnace |
|
Water absorption |
% |
18-28 |
25 |
balance |
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