200CPSI Diesel Oxidation Catalyst DOC Substrate For Catalytic Converter

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

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