FIELD: process engineering.
SUBSTANCE: invention relates to filtration materials for exhaust gases. Invention covers the substrate for ICE black filter provided, at least, partially with "washcoat" coating that includes material of relatively high density equal to, at least 3.50 g/cm3. Said substrate may contain catalytically active metal compound.
EFFECT: selective increase in substrate weight without increase in counter pressure.
12 cl, 3 dwg
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