... media,ceramic honeycombs ,materials are mainly utilized in heat recovery unit of RTO 40X40 ChannelsChemical composition ( ... /ft³57.5 51,953,741.942,5Average heat Expansion coefficient10-6 K-16,26,23,53, ... 810-6 °F-13,43,41,941,892,7Specific heat capacityJ / kgK9509989421016850BTU/lb°F0,2270,2380,2210,2430, ... 203Heat conductivityW/mK2,502,421,891,631,5BTU in/ft² hr°F17,316,813,111,310.4Temperature ...