Exhibition
Detailed Analysis of Alumina, Zirconia, and Silicon Nitride Foam Ceramic Filters
Foam ceramic filters are highly porous materials designed to remove impurities from molten metals during …
What is molecular sieve? How to select molecular sieve?
What is a Molecular Sieve? A molecular sieve is a material with tiny, uniform pores …
Application of Infrared honeycomb ceramic plate
Honeycomb ceramics used for catalytic cracking are replacing existing products. Catalytic cracking uses heavy distillate …
Characteristics of honeycomb ceramic straight hole filter
Honeycomb ceramic straight hole filter is mainly used in metallurgy and casting industry. Honeycomb ceramic …
Why acid-resistant bricks have such excellent acid resistance
Why are acid-resistant bricks so acid-resistant? 1. Low water absorption rate Acid-resistant bricks …
Export 20GP container of inert alumina ball pictures
Inert alumina ceramic ball 20GP load 20-25tons.specifi quantity depend on the diffirent country. Ton bags …
Factory Pirce Catalytic Converter Pt Pd Rh Ceramic Honeycomb Catalyst Substrate Universal Catalytic Converter For Car Exhaust
Factory Pirce Catalytic Converter Pt Pd Rh Ceramic Honeycomb Catalyst Substrate Universal Catalytic Converter For Car Exhaust
Three-way catalytic converter is the most important external purification device installed in the automobile exhaust system, which can convert the harmful gases such as CO, carbon monoxide, HC hydrocarbons and NOX nitrogen oxides discharged from the automobile exhaust into harmless carbon dioxide, water and nitrogen through oxidation and reduction.Because this catalytic converter can simultaneously convert the three main harmful substances in the exhaust gas into harmless substances, it is called three way.
Specification
Terms | Unit | Value | Measured value | Test method |
Cordierite main crystalline phase content | % | ≥90.0 | 93.8 | XRD |
AL2O3 | % | 35.4±1.5 | 36.2 | chemical analysis |
MgO | % | 13.5±1.6 | 14.6 | |
SiO2 | % | 49.7±1.7 | 48 | |
volume-weight | Kg/L | ≤0.60 | 0.59 | Culculate（weight/volume） |
Strength | Mpa | ≥15.0 | 28 | Digital display engineering ceramics strength tester |
Mpa | ≥2.0 | 4.5 | ||
Mpa | ≥0.15 | 0.28 | ||
Coefficient of thermal expansion(indoor temperature-800℃) | /℃ | ≤1.8×10-6 | 1.55 | Thermal expansion coefficient apparatus |
Softening point | ℃ | ≥1360 | 1390 | DMTA |
Resistance to heat shocks（550℃） | Time | ≥3 | 3 | muffle furnace |
Water absorption | % | 18-28 | 25 | balance |
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