DOC porous substrate , Grey 300CPSI cellular support for automobile
high alumina ceramic
,alumina ceramic substrate
,DOC porous substrate
DOC porous substrate , Grey 300CPSI cellular support for automobile
Applications:
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. Technical performance of this product has achieved advanced level in China, and it approaches or has already reached the advanced level of similar products abroad.
Product use
After coated with catalysts, this product is applied in catalytic converter of diesel vehicle to catalyze, convert and purify the exhaust, making vehicle exhaust reaching standards of Euro IV and Euro V. Technical performance of the product in the leading position in domestic, close to or reach the advanced level of similar foreign products.
Overall dimensions standards
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Item |
|
Standard values
|
Test method
|
|
Wall thinkness |
100CPSI |
0.45MM±0.03 |
vernier caliper |
|
200CPSI |
0.36MM±0.03 |
vernier caliper |
|
|
300CPSI |
0.28MM±0.03 |
vernier caliper |
|
|
400CPSI |
0.21MM ±0.03 |
vernier caliper |
|
|
Overall dimensions |
OD:＜100MM |
±1.0MM |
vernier caliper |
|
≥100MM |
±1% |
vernier caliper |
|
|
Height:＜150 |
±1.0 |
vernier caliper |
|
|
≥150 |
±1%Height |
vernier caliper |
|
|
Internal crack |
|
|
Bright light perspective |
Physical and chemical properties
|
Item |
Standard value |
Test methods |
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|
chemical component
|
Al2O3 |
35.2%±1% |
chemical analysis |
|
|
SiO2 |
50.9%±1% |
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|
MgO |
13.9%±1% |
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Cordierite main crystalline phase content |
≥90% |
X-ray diffraction |
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Compressive strength at room temperature
|
AA xis |
≥15Mpa |
universal material testing machine
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|
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BB xis |
≥2Mpa |
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CC xis |
≥0.15Mpa |
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water absorption |
23-27% |
Gravimetric method |
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softening temperature |
≥1400℃ |
high-temperature electric resistance furnace |
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|
CTE(800℃) |
≤1.5*10-6/℃ |
thermal dilatometer |
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|
thermal shock resistance |
450℃ Three times don't crack |
air cooling |
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Description:
After coated with catalysts, this product is applied in catalytic converter of diesel vehicle to catalyze, convert and purify the exhaust, making vehicle exhaust reaching standards of Euro IV and Euro V. Technical performance of the product in the leading position in domestic, close to or reach the advanced level of similar foreign products.
Benefits of Products:
● Low thermal expansion coefficient
● High porosity of hole on the wall , good liquidity and uniform distribution
● High temperature resistance, chemical corrosion resistance, thermal shock resistance and thermal shock resistance is strong
●The pressure drop is small.
● Cold start performance is good, low light-off temperature, high conversion efficiency
Competitive Advantage:
● Low thermal expansion coefficient
● High porosity of hole on the wall , good liquidity and uniform distribution
● High temperature resistance, chemical corrosion resistance, thermal shock resistance and thermal shock resistance is strong
●The pressure drop is small.
● Cold start performance is good, low light-off temperature, high conversion efficiency