Certain catalysis support and covering packings, protects the catalyst to reduce poisoning and coking

| Main technical indexes: |
|
|
QW-1 |
QW-2 |
QW-3 |
| Appearance |
yellowish brown |
straw yellow |
light grey |
| Bulk density (g/ml) |
1.2-1.4 |
1.1-1.3 |
1.1-1.3 |
| Specific pore volumn, ml/g |
0.15-0.25 |
| Heat resistance (shock) °C |
temperature difference 500 |
temperature difference 600 |
temperature difference 600 |
| Compressive strength N/grain |
260-3500; depending on specification and size |
| Al2O3 |
≥60 |
≥40 |
≥40 |
| Active component |
NiO-MoO3 |
NiO-Wo3 |
CoO-MoO3 | | |