... II,III,IV Can be custom-made Features of catalyst converter forAutomotive & Motorcycle exhaust system: 1. ... 600cells, 800 cells are also available)3. Inside catalyst (Pt, Pd,Rh+rare earth) coating on ... would be enhanced, they would be under an oxidation and deoxidization reaction. Under such a high temperature ... harmful gas to purify the exhaust.Purificant Our catalyst is coated with noble metals of Pt, ...