SCR catalyst honeycomb ceramic substrate
- Category: >>>
- Supplier: Nanning Elaiter Environmental Technologies Co. Ltd.
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Product Overview
Description
Product Description
Ceramic honeycomb substrate (catalyst monolith) is a new kind of industrial ceramic product, as a catalyst carrier which is widely used in automobile emissions purifying system and industrial exhaust gas treatment system. After coated with catalysts, this product is applied in catalytic converter of diesel or gasoline vehicle to catalyze, convert and purify the exhaust, making vehicle exhaust reaching standards of Euro IV and Euro V.
Product Advantage
1. Thin wall, high surface area.
2. Low coefficient of thermal expansion.
3. Low back pressure, good air flow.
4. Good thermal shock resistance and heat resistance.
5. High compressive strength.
6. Stable water absorption rate.
7. Accurate size control, good for encapsulation.
8. Ideal matching with different catalysts.
Product Application
DOC & SCR substrates are used in diesel engine tail gas purifying system, the substrate is coated with catalyst, which is used in catalytic converters for diesel exhaust purification, and DPF connections using can achieve better purifying effect.
Technical Data
Items | Index | |
Chemical Composition | SiO2 | 50.9±1% |
Al2O3 | 35.2±1% | |
MgO | 13.9±1% | |
Cordierite Crystal Phase | ≥90% | |
Wall Thickness | 100 CPSI | 0.42-0.48mm |
200 CPSI | 0.32-0.38 mm | |
300 CPSI | 0.25-0.31 mm | |
400 CPSI | 0.17-0.20mm | |
600 CPSI | 0.12-0.15mm | |
Compression Strength | Lengthways | ≥15MPa |
Horizontal | ≥3MPa | |
Coefficient of Thermal Expansion (20-800°C) | ≤1.2×10-6/°C | |
Water Absorption | 23-27% | |
Soften Temperature | ≥1400°C | |
Refractory | ≥1600°C | |
Thermal Shock Resistance (Indoor Temperature -550°C) | 550°C Three time (Air cool) | |
Tolerance of Outside Dimensions | ±1% | |
Bulk Density | 0.40-0.50Kg/L | |
Product Size
Item | Index | |||||
Size | 300/400 CPSI Diameter ≤ 330mm(13 inch) | |||||
Wall thickness | 300 CPSI/8 mil, 400 CPSI/7 mil | |||||
Coefficient of thermal expansion (20-800°C) | ≤1.2×10-6/°C | |||||
Thermal shock resistance (indoor temperature -550°C) | 550°C Three time (Air cool) | |||||
size (mm) | size (mm) | size (mm) | size (mm) | size (mm) | size (mm) | |
Φ118.4×70 | Φ150×100 | Φ190×100 | Φ228×100 | Φ240×152.4 | Φ286×100 | |
Φ118.4×127 | Φ165×100 | Φ190×127 | Φ240×76.2 | Φ267×76.2 | Φ305×100 | |
Φ144×127 | Φ170×100 | Φ210×127 | Φ240×100 | Φ267×100 | Φ330×100 | |
Φ144×152.4 | Φ175×100 | Φ228×76.2 | Φ240×127 | Φ267×152.4 | Φ330×177.8 | |
We can be customized according to customer requirements (Height ≤ 200mm). | ||||||
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