Automobile Catalytic Converter
1.Can eliminate 90% amount of three main pollutants
2.ISO 9001 PLANT WITH QUALITY ASSURANCE
Automobile catalytic converter
Test result(Given by Quality Supervision and Inspection Station of Industrial Ceramic)
Item
Unit
Standard Value
Actual measured value
Result
Inspection standard
SiO2
-
50±2
48.40
Eligible
QB/T 2578-2002
Al2O3
-
35±2
34.65
Eligible
Fe2O3
-
-
0.44
-
CaO
-
-
1.49
-
Mgo
-
13±2
12.78
Eligible
Outlook quality
-
-
Meet the requirement
Eligible
XB/T 505-2003
Crack in the surface
-
No visible cracks available in the extremity and the flank
-
-
Defect in the hole wall
-
Could not exceed 0.1% extremity
-
-
Damage of edge
-
For each 28mmX18mm extremity, there should be less than 3 places of damage
-
-
Chiseled hole in the surface
-
The depth ≤ 1.6mm, the whole area of the chiseled hole ≤ 300mm2, and the girth of the hole ≤ 6.4mm2.
-
-
Rate of blocking hole
-
≤1.0%
-
-
Dimension tolerance
mm
Length ≤100 permitted tolerance±1.0
Meet the requirement
Eligible
Thermal expansion coefficient
≥15.0X10-7
14.6X10-7
Eligible
Intenerate temperature
≥1360
1364
Eligible
Heat and libration resistance
650
650-8 Never crack in one time
Eligible
Cubage density
g/cm3
0.45-0.55
0.50
Eligible
Water absorption
%
16.5,tolerance±2.0
16.85
Eligible
Compressive strength
kg/cm2
-
-
-
Axes A
-
≥106
143.8
Eligible
Axes B
-
≥14.5
20.5
Eligible
Axes C
-
≥1.7
3.2
Eligible
Cool libration test
-
-
Under the frequency of 100±50H 2 , after being librated for 3 hours, there aren't any damage and cracks
-
