Automobile and motorcycle exhaust treatment -- the main cocatalyst in the three-way catalyst.
|
Item |
Units |
RC-LY-45A |
RC-LY-45B |
RC-LY-45C |
|
CeO2 |
% |
20±2 |
30±2 |
45±2 |
|
ZrO2 |
73±2 |
63±2 |
45±2 |
|
|
La2O3 |
2±0.5 |
2±0.5 |
5±0.5 |
|
|
Nd2O3 |
5±0.5 |
5±0.5 |
5±0.5 |
|
|
D50 |
μm |
3-5 |
3-5 |
3-5 |
|
SiO2 |
ppm |
≤200 |
≤200 |
≤200 |
|
CaO |
≤500 |
≤500 |
≤500 |
|
|
SO42- |
≤300 |
≤300 |
≤300 |
|
|
New |
BET(m2/g) |
70~90 |
75~90 |
70~90 |
|
1000℃4h |
≥50 |
≥50 |
≥45 |
|
|
1100℃4h |
≥25 |
≥25 |
≥20 |