Al2O3 Catalytic Converter Substrate porous For Volatile Organic Compound 2. Description: After coated with catalyst, the product is widely applied in organic waste gas purification, heat exchange system industrial waste gas treatment, coal-fired power plant flue gas purification, NOx purification system, garbage incineration and harmful gas purification treatment, etc. Benefits of Products: ● Large Surface Area ● Low thermal expansion coefficient ● Good thermal shock and