Packing

Alumina Ceramic Substrate

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

Overall dimensions standards

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

chemical

component

 

Al2O3

35.2%±1%

chemical

analysis

SiO2

50.9%±1%

MgO

13.9%±1%

Cordierite main crystalline phase content

≥90%

X-ray diffraction

Compressive

strength at

room

temperature

 

AA xis

≥15Mpa

universal material

 testing machine

 

BB xis

≥2Mpa

CC xis

≥0.15Mpa

water absorption

23-27%

Gravimetric method

softening temperature

 ≥1400℃

high-temperature electric resistance furnace

CTE(800℃)

≤1.5*10-6/℃

thermal dilatometer

thermal shock

resistance

450℃

Three times don't crack

air cooling

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