Buy in Samara at high prices B/y the catalysts for wholesale and retail. Reception car b/y catalysts of all kinds and types. Buy ceramic, metal catalysts and diesel particulate filters. Only concern is that the inside of the catalyst, the filling insert, the cartridge. To sell the benefits of the inside from the catalyst or particulate filter.
PRICE: virtually any 500-7000/kg.
Ceramic mass should not be foreign objects (asbestos, paronite, "wool", metal mesh, sand, cement, soot, etc.)!
Should not be washed in acid-base solutions !
Humidity indicator ceramic n