cordierite substrate, less precious metal coating, such as platinum,palladium ... TS16949. On the surface of the cordierite or metallic substrate, coated with high surface area and good thermal ... ) form the internal combustion engine . The cells of honeycomb density can be 100,200,300, 400 or 600 ... tailor the catalysts according to your special requirement. ceramic catalyst for non-road machine-----VOC