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White Honeycomb Ceramic Catalyst Carrier 51% SiO2 For Gasoline Purification

Categories Aluminum Oxide Ceramic
Brand Name: KEGU
Place of Origin: China
Price: 200-500 yuan/kg
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 2,000 pcs/month
Packaging Details: Strong wooden box for Global shipping
Model Number: Customizable
Material: SiC
Composition:SiC: >85%
Color: Black
Density: ≥3.65g/cm3
Max. Service Temp: 1380℃
Flexural Strength: 250MPa
Hardness: ≥84HRA
Water Absorption: ≤0.2%
Abrasion: < 0.02%
Bending strength: ≥290MPa
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White Honeycomb Ceramic Catalyst Carrier 51% SiO2 For Gasoline Purification

White Honeycomb Ceramic Catalysts Carriers 51% SiO2 For Gasoline Purification


A catalyst is a substance that accelerates the course of a chemical reaction without undergoing an irreversible change. Catalysts are important not only for the chemical industry, but also for solving environmental problems.


Ceramic structures with a high specific surface are used as carriers for catalysts. The high specific surface should be preserved after long-term use, as well as geometry and mechanical properties, which implies the carrier’s resistance to thermal and mechanical stresses and to chemical destruction.


Physical and Chemical Properties


ItemsUnitIndex
Chemical CompositionSiO2%49-51
Al2O3%33-35
MgO%13-14
Wall Thicknessmm100 CPSI0.43
200 CPSI0.32
300 CPSI0.30
400 CPSI0.18
600 CPSI0.15
Crush StrengthA-axisMpa≥16
B-axisMpa≥3
Water Absorption%25±2
Coefficient of Thermal Expansion10-6/K-10.8-2.0
Maximum Operating Temperature°C≥1370
Bulk DensityKg/L

0.43-0.75


Ceramic catalysts carriers are usually used:

  • for purification of gasoline and diesel automobile engines exhaust;

  • for chemical and petroleum refining processes;

  • for cleaning emissions of power plants and other industrial enterprises.


The main requirements for catalyst carriers include a large surface area, heat resistance, porosity, chemical inertness, mechanical strength.


Ceramic and metal carriers compete with each other: ceramics are often more stable and more economical, and therefore dominate in most sectors. Metal is sometimes preferable because of greater mechanical strength and the ability to manufacture catalysts of a certain geometry using wire, foil or thin-wall honeycomb structures.


Product Characteristics

● Large specific surface area: to ensure full access to the exhaust gas with the catalyst.

● Stable water absorption: to ensure the catalyst evenly firmly attached to the surface of the catalyst carrier.

● Warm-up: after start-up the engine, the temperature of the carrier can reach the catalyst activation temperature in the shortest possible time.

● Low exhaust resistance: the engine’s exhaust resistance is small, to ensure that doesn’t affect the engine performance.

● High strength: the operating environment of the catalyst carrier is in the bumpy car, so the catalyst carrier must be high strength without being external damage.

● Good assembly: the carrier is an exhaust assembly parts, only good appearance and precise dimensions can ensure perfect assembly.


Quality control:

Quality White Honeycomb Ceramic Catalyst Carrier 51% SiO2 For Gasoline Purification for sale
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