Cordierite Honeycomb Ceramic For Three Way Catalytic Converter
2. 1.Product use
After coated with catalysts, this product is applied in catalytic converter of gasoline vehicle to catalyze, convert and purify the exhaust, making vehicle exhaust reaching standards of Euro IV and Euro V.
2.Overall dimensions standards
|
Item |
Standard value |
Tolerance range |
Remark |
|
wall thickness |
0.17MM |
0.03MM 0.02MM |
|
|
density scope |
440g/L |
±60g/L |
|
|
Outside dimension |
≤100MM |
±1MM |
|
|
100MM |
±1% |
|
|
|
Perpendicularity |
≤100MM |
≤1%height |
|
|
Parallelism |
100MM |
≤1%height |
|
Physical and chemical properties
|
Item |
Standard value |
Inspection Method |
|
|
chemical components |
Al2O3 |
35.2±1% |
Chemical analysis |
|
SiO2 |
50.9±1% |
||
|
MgO |
13.9±1% |
||
|
Cordierite Crystal phase |
≥90% |
X-ray diffraction techniques |
|
|
Compressive strength |
AA xis |
≥15 Mpa |
Compressive strength technique |
|
BA xis |
≥2 Mpa |
||
|
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