Silicon Carbide Diesel Particulate Filter (SiC-DPF)Ceramics Filter
DPF is a ceramic substrate with alternately sealed channels forming inlet and outlet.
Walls separating each cells serve as filters that remove particulate matter (PM) in the exhaust gas of diesel vehicles.
Ceramic material is mainly composed by the materials called Cordierite or Silicon Carbide (SiC) and NGK is the only company in the world who can mass produce DPFs in both materials.
SiC-DPF is mainly used for small diesel engines such as passenger cars and light commercial vehicles.
In India, all diesel vehicles, except three wheeler, must be equipped with DPF from BS6 exhaust norm which come into effect from April 2020.